Weekly Top 5

This week’s updates include Twitter advertising, Sean Parker joining Twitter; iPhone 4S, Siri, iOS stats; demise of Zune, Windows Phone, Hotmail updates; Facebook and Websense, new Insights tools, Timeline; YouTube programming, Google+ and Shah Rukh Khan and the Nexus Prime launch delay. [scribd id=68288347 key=key-12lwx4awsxkum08xk1c4 mode=list]