Quotulatiousness

January 3, 2013

The Avro Arrow model hunt

Filed under: Cancon, History, Military, Technology — Tags: , , , , , — Nicholas @ 10:00

Updating an old story (original posting at the old blog from 2004) on the search for the scale models used to develop the Avro Arrow:

Andrew Hibbert knows they’re down there somewhere. At the bottom of Lake Ontario, with more than 50 years’ worth of zebra mussels clinging to their hulls, sit nine models of the Avro Arrow.

The models were part of a program to test the hull design of the legendary Canadian plane, cancelled before it could truly soar. Strapped to high-powered booster rockets, the 10-foot models weighed nearly 500 pounds and flew over Lake Ontario at supersonic speeds. Their onboard sensors — revolutionary for the 1950s — relayed information back to the launch site at Point Petre, in Prince Edward County.

The models represent a key part of the development of the scrapped plane project.

The Avro Arrow made its first flight in 1958. The interceptor was widely regarded as ahead of its time in terms of aerospace technology. Its Malton plant employed nearly 15,000 people.

But development was cancelled abruptly in 1959, after five Arrows had flown. All were ordered destroyed, along with any documentation and related equipment.

The models, however, were safe from the scrubbing, protected by 30 metres of water.

Eleven models were tested in total: nine at Point Petre and two in Virginia. None has been recovered yet, but that hasn’t stopped so-called “Arrowheads” from hunting for them, often at great cost of both treasure and time.

The Arrow story has shown up a few times on the blog before.

Update: Colby Cosh is always good for summarizing:

I put it in a more wordy form in an earlier posting:

Even people who care less than nothing about aircraft or military technology seem to have opinions about the Avro Arrow (usually allowing them to take free shots at former Prime Minister John Diefenbaker for the decision to scrap the plane). It’s far enough in the past that the facts are more than obscured by the myths of the cottage conspiracy theory industry (artisanal Canadian myth-making, hand-woven, fair-trade, and 100% organic).

December 26, 2012

What we gain in accuracy we lose in romance

Filed under: History, Media, Science, Technology — Tags: , , , , — Nicholas @ 10:27

What am I talking about? Digital maps:

It’s not often that maps make headlines, but they’ve been doing so with some regularity lately. Last week, tens of millions of iPhone users found that they could suddenly leave their homes again without getting either lost or cross. This was because Google finally released an app containing its own (fairly brilliant) mapping system. Google Maps had been sorely missed for several months, ever since Apple booted it in favor of the company’s own inadequate alternative — a cartographic dud blamed for everything from deleting Shakespeare’s birthplace to stranding Australian travelers in a desolate national park 43 miles away from their actual destination. As one Twitter wag declared: “I wouldn’t trade my Apple Maps for all the tea in Cuba.”

There was one potential bright spot, though: Among the many mistakes found in Apple Maps was a rather elegant solution to the continuing dispute between Japan and China over the Senkaku islands. Japan controls them; China claims them. Apple Maps, when released, simply duplicated the islands, with two sets shown side-by-side — one for Japan, one for China. Win-win. (At least until the software update.) Call it diplomacy by digital dunderheadedness.

As some may recall, it was not so long ago that we got around by using maps that folded. Occasionally, if we wanted a truly global picture of our place in the world, we would pull shoulder-dislocating atlases from shelves. The world was bigger back then. Experience and cheaper travel have rendered it small, but nothing has shrunk the world more than digital mapping.

[. . .]

There is something disappointing about the austere potential perfection of the new maps. The satellites above us have seen all there is to see of the world; technically, they have mapped it all. But satellites know nothing of the beauty of hand-drawn maps, with their Spanish galleons and sea monsters, and they cannot comprehend wanderlust and the desire for discovery. Today we can locate the smallest hamlet in sub-Saharan Africa or the Yukon, but can we claim that we know them any better? Do the irregular and unpredictable fancies of the older maps more accurately reflect the strangeness of the world?

The uncertainty that was once an unavoidable part or our relationship with maps has been replaced by a false sense of Wi-Fi-enabled omnipotence. Digital maps are the enemies of wonder. They suppress our urge to experiment and (usually) steer us from error—but what could be more irrepressibly human than those very things?

Update: And the Apple Maps fiasco has them leading most of the tech world’s “Top 10” lists for mis-steps, fumbles, and self-inflicted wounds.

There really could be only one pick for the number-one spot on this list. The Apple Maps fiasco has done more to hurt the company’s image than anything else this year, leaving their reputation — and those of some of its supporters — in the dust.

At the start of the year Apple was riding high. The loss of cofounder Steve Jobs had been handled better than many in the industry had expected, and Tim Cook looked like a safe pair of hands to take the company forward. Apple was on its way to being the most valuable in the world in dollar terms, and was beating the competition like a red-headed stepchild.

[. . .]

When iOS 6 with Apple Maps launched, there was initially little fuss. Apple’s policy of only letting friendly reviewers get advanced access to kit held up well, and virtually none of Cupertino’s chosen few even mentioned the mapping function in their glowing reviews of the new operating system. But then users actually tried it out and the results were plain to see.

Apple’s Maps app simply didn’t work correctly. Sure, it could get you from point to point — just about — but the level of detail included was poor and mapping information was frequently wrong. The list of cock-ups grew day by day as people realized that the application just wasn’t fit in any meaningful way.

Even the Australian police warned against using it for fear of getting lost in the desert.

December 23, 2012

China’s rare earth monopoly bid goes smash

Filed under: Business, China, Economics, Technology — Tags: , , — Nicholas @ 11:20

Remember the headlines from a few years back, when China was the source of a disproportional amount of the rare earth required for many of our modern electronic toys like iPhones and hard drives and such? China’s ham-handed attempt to constrain supply and jack up the prices has signally failed:

For I’ve been saying for years now that this “China will control all the rare earths” thing is nonsense and so it has turned out to be: nonsense.

Not that it hasn’t tried to control it all, mind, it’s just that it has failed. Failed for the reason we’d expect from communist state: its officials don’t understand free market economics. Specifically, it’s possible to successfully exercise monopoly power only if that monopoly is not contestable.

[. . .]

We were also continually reminded that China has 30 per cent of the world’s reserves: which simply shows that people don’t know what a reserve is. It’s not, as just about everyone assumes, the amount of something that’s available. It’s an amount whose exact location is known, which we’ve measured, drilled, sampled and baked a fluffy cake from – and which we can mine with current techniques AND with which we make a profit at current prices. Miss any of those steps (except maybe the cake) and it is not a reserve: it’s a resource. And resources of rare earths are vast: several are individually more common than copper for example. China has 30 per cent of the proven fluffiness, not 30 per cent of all that is available.

I will admit to a certain suspicion that the stories we heard were rather more a well-organised PR campaign to allow a couple of companies to suck subsidies out of the US taxpayer. Or perhaps even, given the conversation I had with a lobbyist about how to try to get on that gravy train, a plot to enrich lobbyists via companies paying to try to suck subsidies out of the US taxpayer.

So, now that I have finished puffing out my chest to “We Will Rock You”, on to what to economists is the blindingly obvious point of this story and what it means for the tech business. You might well have a monopoly: but it ain’t going to do you much good if, when you try to exercise your monopoly power, people come along and successfully contest your monopoly. We thus need to divide monopolies into two classes: those that are contestable and those that are not.

Back in 2010, I commented on Tim’s original debunking of the story:

So, if they have a monopoly on 95% of the world supply, why won’t it hold up? Because in spite of the name, they’re not as rare as all that … and there are substitutions that can be made for some or all of the current application needs. By restricting the supply and/or driving up the price, China will spur new competitors to enter the field and new sources of rare earths to be developed. In the short term, it will definitely create price increases (which, of course, will be passed on to the consumer), but in the medium-to-long term they will create a vibrant competitive marketplace which will almost inevitably drive the prices down below current levels.

Isn’t economics fascinating?

We’re at “peak farmland”

Filed under: Economics, Environment, Food, Health, Technology — Tags: , — Nicholas @ 10:17

Matt Ridley on an interesting paper from Jesse Ausubel and Iddo Wernick of Rockefeller University, and Paul Waggoner of the Connecticut Agricultural Experiment Station:

Globally, the production of a given quantity of crop requires 65% less land than it did in 1961, thanks to fertilizers, tractors, pesticides, better varieties and other factors. Even corrected for different kinds of crops, the acreage required is falling at 2% a year.

In the U.S., the total corn yield and the total corn acreage tracked each other in lock step between 1870 and 1940-there was no change in average yield per acre. But between 1940 and 2010, corn production almost quintupled, while the acreage devoted to growing corn fell slightly. Similar divergences appeared later in other countries. Indian wheat production increased fivefold after 1970, while wheat acreage crept up by less than 1.5 times. Chinese corn production rose sevenfold over the same period while corn acreage merely doubled.

Yet the amount of farmland in the world was still rising until recently. The reason is that increased farm productivity has been matched by rising demand for food, driven by population growth and swelling affluence. But the effects of these trends are waning.

[. . .]

Even with these cautious assumptions, the researchers find that over the next 50 years people are likely to release from farming a land area “1½ times the size of Egypt, 2½ times the size of France, or 10 Iowas, and possibly multiples of this amount.”

Indeed, the authors find that this retreat from the land would have already begun but for one factor so lunatic that they cannot imagine it will not be reversed soon: biofuels. If the world had not decided to subsidize the growing of energy crops on 3.4% of arable land, then absolute declines in the acreage of arable land “would have begun during the last decade.” The prospect of “the restoration of vast acreages of Nature” is enticing for nature lovers.

December 19, 2012

Not all submarines are equal

Filed under: Military, Technology, USA — Tags: , , , — Nicholas @ 09:02

Strategy Page on the US Navy’s need to work with — and even consider buying — modern diesel-electric submarines:

The U.S. Navy continues to debate the issue of just how effective non-nuclear submarines would be in wartime, and whether the U.S. should buy some of these non-nuclear boats itself. This radical proposal is based on two compelling factors. First, the U.S. Navy may not get enough money to maintain a force of 40-50 SSNs (attack subs.) Second, the quietness of modern diesel-electric boats puts nuclear subs at a serious disadvantage, especially in coastal waters. With modern passive sensors, a submerged diesel-electric sub is often the best weapon for finding and destroying other diesel-electric boats. While the nuclear sub is the most effective high seas vessel, especially if you have worldwide responsibilities and these nukes would have to quickly move long distances to get to the troubled waters, the diesel electric boat, operating on batteries in coastal waters, is quieter and harder to find.

[. . .]

For much of the past decade the U.S. Navy has been trying to get an idea of just how bad the threat it. Thus from 2005 to 2007 the United States leased a Swedish sub (Sweden only has five subs in service), and its crew, to help American anti-submarine forces get a better idea of what they were up against. This Swedish boat was a “worst case” scenario, an approach that is preferred for training. The Gotland class Swedish subs involved are small (1,500 tons, 64.5 meters/200 feet long) and have a crew of only 25. The Gotland was based in San Diego, along with three dozen civilian technicians to help with maintenance.

For many years before the Gotland arrived, the U.S. Navy had trained against Australian diesel-electric subs, and often came out second. The Gotland has one advantage over the Australian boats, because of its AIP system (which allows it to stay under water, silently, for several weeks at a time). Thus the Gotland is something of a worst case in terms of what American surface ships and submarines might have to face in a future naval war. None of America’s most likely naval opponents (China, North Korea or Iran), have AIP boats yet, but they do have plenty of diesel-electric subs which, in the hands of skilled crews, can be pretty deadly.

The “digital divide” didn’t play out quite the way they thought

Filed under: Economics, Education, Media, Technology, USA — Tags: , , , , — Nicholas @ 00:01

In Gregg Easterbrook‘s weekly NFL column, he often discusses non-football topics like this one:

A decade ago — perhaps as recently as five years ago — analysts and educators feared a “digital divide” in which the affluent have access to advancing electronics and the disadvantaged do not, granting the affluent yet another edge in life’s contest. But what if the reverse has happened?

[. . .]

That made this article striking, with research showing children from disadvantaged families now waste more time with video games and on the Internet than do children from affluent homes. Publicly subsidized programs to provide computers and Internet to the disadvantaged were rationalized as tools for education. How are they actually used? The article quotes Vicky Rideout, author of a study on the subject, saying, “Despite the educational potential of computers, the reality is that their use for education or meaningful content creation is minuscule compared to their use for pure entertainment.”

Video games are a really tempting way to avoid studying. If they had been around when I was a teen, there’s no way I would have read so many books or spent three or four hours after school each day at the high school, doing extracurriculars and sports. I might instead have wasted my time with electronics.

Girls and women are taking over college admissions; 57 percent of undergraduate students at four-year colleges are female. There are many reasons, and surely one is that teen girls waste less time on video games than teen boys do. If disadvantaged teen boys are wasting more time than affluent teen boys, that makes the picture worse.

Conservative commentators often “harrumph” about rising living standards for the disadvantaged, many of whom now have air conditioning, laptops and other items once associated with affluence. It’s good that living standards are rising, and it’s good that the digital divide is disappearing. The spread of computers and Internet service into disadvantaged homes creates equity in access to the information and services available on the Web. But society needs to be aware of the downsides of electronics. Those computer and software gifts being opened this holiday season might, especially for teen boys, backfire.

December 14, 2012

40 years ago today, man last walked on the moon

Filed under: History, Space, Technology, USA — Tags: , , , — Nicholas @ 10:51

At sp!ked, Patrick West notes an under-observed anniversary:

It is a fine testament to NASA’s Apollo programme that of all the world-shaking events in living memory, men landing on the moon is the only one that doesn’t involve death. As Andrew Smith, author of Moon Dust (2006), notes, everyone remembers where they were when John F Kennedy was assassinated, Princess Diana died, or on 9/11. Most people, if they were alive at the time, also vividly recall when a man first walked on the moon on 20 July 1969.

Few, however, will remember what they were doing when the last man walked on the moon. That was 40 years ago today.

As he fired up the engines of Apollo 17‘s Lunar Module, Gene Cernan, the last man on the moon, delivered a final message to the world: ‘America’s challenge has forged man’s destiny of tomorrow. And as we leave the moon at Taurus-Littrow, we leave as we came and, God willing, as we shall return with peace and hope for all mankind.’ On this date, many of us lament that we haven’t gone back to the moon. Others won’t, citing the vast expense of this Cold War sideshow, equivalent to roughly $130 billion in today’s money.

We certainly aren’t likely to return to the moon in such cynical and pessimistic times, of Mayan prophecies, omens of economic stagnation and environmental catastrophe, Frankie Boyle misanthropy and books called Is It Just Me Or Is Everything Shit?. In other words, everything the Apollo programme didn’t represent. America’s race to the moon may have been partly a means of getting one over the Soviets, but it also embodied the spirit of adventure and progress, as encapsulated by Neil Armstrong’s first words from the moon.

December 13, 2012

The ITU’s latest attempt to hijack the internet

Filed under: Bureaucracy, Liberty, Media, Technology — Tags: , , , — Nicholas @ 14:09

David Gewirtz has the details:

According to The Weekly Standard, the chairman of the International Telecommunication Union (ITU) decided to try an end-run around the U.S., Europe, and most freedom-loving nations by conducting a survey of nations and putting forth a resolution that gives governments control over Internet policy, which includes everything you and I send across the pipes.

Apparently, this wasn’t a binding policy, but it’s a political gambit designed to get the UN to continue the process of trying to wrest control of the Internet from those interested in freedom to those interested in control of freedoms.

I’m a strong believer in a global Internet, but I’m starting to think countries like China and Russia and Cuba and the various regressive Middle Eastern states are more trouble than they’re worth. Maybe it’s just time we pulled the Internet plug on them*.

December 11, 2012

This’ll take you back

Filed under: Humour, Technology — Tags: , , , , — Nicholas @ 10:19

The Verge on a 1960s interpretation of Google search:

Google didn’t exist during the 1960s, but if it did, it may have looked a lot like Google60. Described as “an art project to explore distances and heroism in user interfaces,” Google60 is the latest creation from designer and developer Norbert Landsteiner, who earlier this year released Google BBS — a project that allowed users to conduct Google searches from within a 1980s bulletin board-style interface. The idea behind Google60 is largely similar, except here, Landsteiner replaces the Google front end with a virtual IBM 360-like interface, replete with punch cards and a “Mad Men style,” 1960s aesthetic.

December 9, 2012

Verizon attempts to patent creepy targeted ad delivery technology

Filed under: Business, Media, Technology — Tags: , , — Nicholas @ 11:02

Verizon wants your TV to carefully observe you so it can deliver ads tailored for whatever activity you might be doing:

The U.S. Patent Office has delivered a “non-final” rejection of a Verizon patent application for a controversial technology that would have served targeted ads to TV viewers based on what they might be doing or saying in front of their sets.

[. . .]

The patent in question has been the subject of intense media scrutiny since FierceCable uncovered it last week. Verizon’s somewhat laboriously titled the patent application “Methods and Systems for Presenting an Advertisement Associated with an Ambient Action of a Use.”

The application says the technology would be capable of triggering different advertisements depending on whether a viewer or viewers might be eating, playing, cuddling, laughing, singing, fighting or gesturing in front of their sets. Specifically, the patent covers technology that can serve ads “…targeted to the user based on what the user is doing, who the user is, the user’s surroundings, and/or any other suitable information associated with the user.”

Privacy? You don’t need that, because we need to sell you shit.

December 5, 2012

Code used by Roger Williams in the 1600s is finally cracked

Filed under: Books, History, Media, Technology — Tags: , — Nicholas @ 11:10

I first read about Roger Williams in Murray Rothbard’s Conceived in Liberty, but I didn’t know that Williams had left coded notes that had defied analysis until now:

The obscure book’s margins are virtually filled with clusters of curious foreign characters — a mysterious shorthand used by 17th century religious dissident Roger Williams.

For centuries the scribbles went undeciphered. But a team of Brown University students has finally cracked the code.

Historians call the now-readable writings the most significant addition to Williams scholarship in a generation or more. Williams is Rhode Island’s founder and best known as the first figure to argue for the principle of the separation of church and state that would later be enshrined in the Bill of Rights.

[. . .]

Fisher said the new material is important in part because it’s among Williams’ last work, believed to have been written after 1679 in the last four years of his life.

The new discovery is remarkable on several levels, Widmer said.

“Part of it was the excitement of a mystery being cracked, and part of it was Roger Williams is very famous in Rhode Island — no other state has a founder as tied up with the state’s identity as Rhode Island,” he said. “To have a major new source, a major new document, from Roger Williams is a big deal.”

H/T to Bruce Schneier for the link.

December 4, 2012

ITU approves Deep Packet Inspection requirement to enable government snooping of internet traffic

Filed under: Bureaucracy, Liberty, Media, Technology — Tags: , , , — Nicholas @ 10:59

The UN’s International Telecommunications Union continues its in-camera campaign to wrest control of the internet from all other organizations with a new policy designed to please intrusive and authoritarian governments worldwide:

The telecommunications standards arm of the U.N. has quietly endorsed the standardization of technologies that could give governments and companies the ability to sift through all of an Internet user’s traffic – including emails, banking transactions, and voice calls – without adequate privacy safeguards. The move suggests that some governments hope for a world where even encrypted communications may not be safe from prying eyes.

At the core of this development is the adoption of a proposed international standard that outlines requirements for a technology known as “Deep Packet Inspection” (DPI). As we’ve noted several times before, depending on how it is used, DPI has the potential to be extremely privacy-invasive, to defy user expectations, and to facilitate wiretapping.

[. . .]

The ITU-T DPI standard holds very little in reserve when it comes to privacy invasion. For example, the document optionally requires DPI systems to support inspection of encrypted traffic “in case of a local availability of the used encryption key(s).” It’s not entirely clear under what circumstances ISPs might have access to such keys, but in any event the very notion of decrypting the users’ traffic (quite possibly against their will) is antithetical to most norms, policies, and laws concerning privacy of communications. In discussing IPSec, an end-to-end encryption technology that obscures all traffic content, the document notes that “aspects related to application identification are for further study” – as if some future work may be dedicated to somehow breaking or circumventing IPSec.

Several global standards bodies, including the IETF and W3C, have launched initiatives to incorporate privacy considerations into their work. In fact, the IETF has long had a policy of not considering technical requirements for wiretapping in its work, taking the seemingly opposite approach to the ITU-T DPI document, as Germany pointed out in voicing its opposition to the ITU-T standard earlier this year. The ITU-T standard barely acknowledges that DPI has privacy implications, let alone does it provide a thorough analysis of how the potential privacy threats associated with the technology might be mitigated.

These aspects of the ITU-T Recommendation are troubling in light of calls from Russia and a number of Middle Eastern countries to make ITU-T Recommendations mandatory for Internet technology companies and network operators to build into their products. Mandatory standards are a bad idea even when they are well designed. Forcing the world’s technology companies to adopt standards developed in a body that fails to conduct rigorous privacy analysis could have dire global consequences for online trust and users’ rights.

Tumblr gets trolled

Filed under: Media, Technology — Tags: , , , , — Nicholas @ 09:58

The Register‘s John Leyden on the JavaScript troubles inflicted on Tumblr the other day:

A worm spread like wildfire across Tumblr on Monday, defacing pages on the blogging website with an abusive message penned by a notorious trolling crew.

The outbreak was triggered by the GNAA, a group of anonymous troublemakers who get their kicks from winding up bloggers with offensive posts.

Tumblr temporarily halted the publication of new journal posts to prevent the worm from spreading further before restoring the service to normal a few hours later.

[. . .]

“It appears that the worm took advantage of Tumblr’s reblogging feature, meaning that anyone who was logged into Tumblr would automatically reblog the infectious post if they visited one of the offending pages,” wrote Graham Cluley, senior technology consultant at Sophos.

“It shouldn’t have been possible for someone to post such malicious JavaScript into a Tumblr post — our assumption is that the attackers managed to skirt around Tumblr’s defences by disguising their code through Base 64 encoding and embedding it in a data URI,” he added.

UAVs move closer to the front rank of US Navy assets

Filed under: Military, Technology, USA — Tags: , , — Nicholas @ 09:50

Strategy Page on the progress of the X-47B UAV:

The U.S. Navy X-47B UCAV (unmanned combat air vehicle) made its first catapult launch on November 29th, 22 months after its first flight. This launch was not from a carrier, but an airfield built to the same size as a carrier deck and equipped with a catapult. This first launch was to confirm that the X-47B could handle the stress of a catapult launch. Another X-47B has been loaded onto the deck of a carrier, to check out the ability of the UCAV to move around the deck. If all goes well, the first carrier launch of an X-47B will take place next year, along with carrier landings. Last year the navy tested its UCAV landing software, using a manned F-18 for the test, landing it on a carrier completely under software control.

It was four years ago that the navy rolled out the first X-47B, its first combat UAV. This compact aircraft has a wingspan of 20 meters (62 feet, and the outer 25 percent folds up to save space on the carrier). It carries a two ton payload and will be able to stay in the air for twelve hours. The U.S. is far ahead of other nations in UCAV development, and this is energizing activity in Russia, Europe and China to develop similar aircraft. It’s generally recognized that robotic combat aircraft are the future, even though many of the aviation commanders (all of them pilots) wish it were otherwise. Whoever gets there first (a UCAV that really works) will force everyone else to catch up, or end up the loser in their next war with someone equipped with UCAVs.

The U.S. Navy has done the math and realized that they need UCAVS on their carriers as soon as possible. The current plan is to get these aircraft into service six years from now. But there is an effort to get the unmanned carrier aircraft into service sooner than that. The math problem that triggered all this is the realization that American carriers had to get within 800 kilometers of their target before launching bomber aircraft. Potential enemies increasingly have aircraft and missiles with range greater than 800 kilometers. The navy already has a solution in development; the X-47B UCAS has a range of 2,500 kilometers

December 3, 2012

The feudal technopeasant internet

Filed under: History, Liberty, Technology — Tags: , , , , , , — Nicholas @ 11:20

Bruce Schneier on the less-than-appealing state of user security in today’s internet:

It’s a feudal world out there.

Some of us have pledged our allegiance to Google: We have Gmail accounts, we use Google Calendar and Google Docs, and we have Android phones. Others have pledged allegiance to Apple: We have Macintosh laptops, iPhones, and iPads; and we let iCloud automatically synchronize and back up everything. Still others of us let Microsoft do it all. Or we buy our music and e-books from Amazon, which keeps records of what we own and allows downloading to a Kindle, computer, or phone. Some of us have pretty much abandoned e-mail altogether … for Facebook.

These vendors are becoming our feudal lords, and we are becoming their vassals. We might refuse to pledge allegiance to all of them — or to a particular one we don’t like. Or we can spread our allegiance around. But either way, it’s becoming increasingly difficult to not pledge allegiance to at least one of them.

Feudalism provides security. Classical medieval feudalism depended on overlapping, complex, hierarchical relationships. There were oaths and obligations: a series of rights and privileges. A critical aspect of this system was protection: vassals would pledge their allegiance to a lord, and in return, that lord would protect them from harm.

Of course, I’m romanticizing here; European history was never this simple, and the description is based on stories of that time, but that’s the general model.

And it’s this model that’s starting to permeate computer security today.

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