Pinterest is valued around $200 million with huge traffic and almost no revenue [Wall Street Journal]
Allyson Shontell profiles Dennis Crowley based on his Tumblr personal blog [Business Insider]
It took Twitter a year to switch all users over to the new design [The Next Web]
Security flaws in Google Wallet [PC World]
Google’s algorithmic approach to funny YouTube videos [CNN]
Apple will start requiring apps to ask explicit permission to access user contacts [AllThingsD]
