The methods they're using to catch 'em are interesting: From a Guardian article linked to in the OP: "Special software that recognises students' typing speeds

The methods they're using to catch 'em are interesting: From a Guardian article linked to in the OP: "Special software that recognises students' typing speeds and rhythms is used to verify identity, preventing somebody else from taking an assessment on their behalf." Reminds me of a post I saw on HN a couple days ago about a company that used "stylometry" to reveal J.K. Rowling was the author of a book she'd written under a pen name and had applied the same techniques to determine Newsweek had the wrong Nakamoto. Scary times when not only our browsing history and online activity is being tracked but also the very essence of our communication styles too. And by "scary", I mean awesome :)