VIDEO: Khan Academy reinvents distance educationSumi Das reports on the Khan Academy which attracts more students each week than the Open University has had in its entire history.
Source: VIDEO: Khan Academy reinvents distance education (http://news.bbc.co.uk/1/hi/programmes/click_online/9731580.stm#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa)