Facebook retargeting,why this is just the beginning of mobile monetization.http://tobiaspeggs.tumblr.com/post/32941678899/facebook-retargeting-what-twitter-should-do-next-and?utm_source=buffer&utm_campaign=Buffer&utm_content=buffere7eb6&utm_medium=twitter by danielpal • 13 years ago 1 0 13 years agoTOtobiaspeggs.tumblr.com