This Week in Social is a weekly digest of some of the biggest stories in social media marketing news. These stories are the show notes for the Brave Ad World Podcast. Each story is discussed at a deeper level on the podcast.

This week’s headlines: Facebook Looks to Expand Into Mobile Payments, Twitter Acquires Gnip, Twitter Starts Selling Mobile Ads Across Ad Network and Facebook Launches Friends Nearby.

The week’s news quick hits: Google Glass Goes On Sale to Public for One Day, Tumblr Announces Partnership with Curalate and YouTube Promotes Content Creators in Traditional Media.