The document discusses several recent developments in social media platforms and advertising. It mentions that Facebook is making big changes to its Messenger platform, new live streaming apps Meerkat and Periscope are competing for users, and a startup called Banjo is helping marketers find influencers on social media. It also notes that Twitter and Google are partnering on search, Pinterest is giving advertisers more data, Twitter launched a new content curation tool called Curator, and Twitter will now show ads on users' profile pages.