This week’s headlines: Nielsen Introduces Twitter TV Ratings, Twitter Focuses on Mobile on Homepage, Facebook Streamlines Ad Creation Process, Facebook Rolls Out New Page Insights and Facebook Removes Timeline Lookup Privacy Setting.

The week’s news quick hits: Facebook Expands Social TV Reports to Overseas Broadcasters, Twitter Launches Update for Windows Phone, Flickr for iOS Gets Auto-Upload Feature, Twitter and Comcast Launch ‘See It’ Feature, Instagram Updates iOS and Android Apps and Foursquare Updates with Real-Time Recommendations.