Op-ed on why DRM and anti-piracy movements are doomed to fail and the invasion of privacy and reduction of human rights that legislation allows, and why people should accept that the times they have a changed ...
"Australian researchers have discovered information is best processed either orally or in writing, but not both ways simultaneously. Thus, PowerPoint presentations can backfire when what's on the screen is the same as what the speaker is saying, because audience attention is automatically divided."
Short description of Weibo with 140m users compared to Twitter's 56m. Weibo is used in a different way with many more retweets, less comment, and more advertising.
Sugata Mitra (TED talks and hole-in-the-wall computer innovator) critiques traditonal 'pencil and paper' exams and learning and gives an alternative which is (I think) a problem-based learning approach which he calls SOLE (Self-organised learning environment).