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: YouTube Launches New Tools for Ad Targeting and Creative, Pinterest Opens Up Taste Graph Targeting, Twitter Testing 280-Character Tweet Limit, Amazon Surprises Everyone with More Echo Products and Snapchat Adds New Sponsored World Lenses.

The week’s news quick hits: Facebook Aims to Determine How TV and Social Work Together for Brand Lift, Snapchat Adds Sky Filters, Instagram Sees Fastest Growth in Users Yet, Facebook Secures Rights for NFL Highlights, Instagram Gives Users More Control Over Who Can Comment on Posts, Vimeo Launches Live Streaming and Facebook Adds New Objective to Drive Users to Messenger.