President Obama hosts Google Hangout tomorrow: http://googleblog.blogspot.com/2013/02/fireside-hangouts-join-president-...

Grammys stats dwarf Super Bowl on Facebook: http://techcrunch.com/2013/02/11/facebook-grammys-and-super-bowl/

Mobile tweeters are more often tweeters: http://advertising.twitter.com/2013/02/new-compete-study-primary-mobile-users-on-Twitter.html

AmEx and Twitter team up for hashtag payments:https://sync.americanexpress.com/twitter/Index

Facebook on social content discovery: http://allthingsd.com/20130212/facebooks-rose-content-discovery-has-alwa...