Google
Confession: I was wrong on Google+
Recanting my position on Google+ - it does loom promising.
Facebook
Google plus Google+ equals...?
Google has launched a new social network - and it doesn't look promising.
apple
RSA: The Rise and Fall of Information Empires
Liveblogged notes from a talk by Tim Wu about the book The Rise and Fall or Information Empires, given at the RSA, London