
http://techcrunch.com/2012/02/19/unhyped-internet-and-mobile/
Free service that tells you who your most influential followers are and how much you influence them (takes 30 seconds or so)
Now in public beta. Create a variety of automated tasks hooking up your various accounts (facebook, twitter, flickr, etc).
From Microsoft, an SDK for building HTML5/.NET social games. Comes with a example game built Grant Skinner and his team (includes server-side code and documentation).
Analytics 10 collects analytics data from mobile apps, social media and websites, all under one dashboard.
Create your own ‘newspaper’ built from all the articles, blog posts, videos and photos shared on Twitter or Facebook. Basically like the Flipboard iPad app, but for the web.