31st August 2010 18:00
"Five years from now on the web for free you'll be able to find the best lectures in the world," Bill Gates said at the recent Techonomy conference, arguing that online education will be "better than any single university." Gates's timeline might be debatable - could be ten years, five years, three years, now - as is his contention that the widespread availability of online lectures means we can supplant a brick-and-mortar school.…