
In March, Facebook started an alpha test of Facebook Exchange in the News Feed. Monday, Facebook announced that the FBX for News Feed program has been successful so far, and it is expanding in beta. This technology allows advertisers to retarget Facebook users who visited their websites with page post ads in the News Feed, and not just sidebar ads.
Vine has added sound and motion to the popular microblogging website, Twitter. Learn how to bring your information to life in our 
