Twitter is the fastest growing social platform out there: http://globalwebindex.net/thinking/twitter-now-the-fastest-growing-socia...

France renames hashtags: http://mashable.com/2013/01/29/france-renames-twitter-hashtag/

Foursquare releases app for small businesses: http://venturebeat.com/2013/01/29/foursquare-finally-gives-small-busines...

Facebook vetoes Yandex's social graph app: http://techcrunch.com/2013/01/30/wonder-no-more-yandex-says-facebook-has...

Check your Facebook page's barometer for free: http://thenextweb.com/apps/2013/01/30/agora-pulse/