@TechCrunch: Animated Gifs As Ads? Tumblr Experiments With New Advertising Format http://t.co/mWlaiN7z by @sarahintampa

Animated Gifs As Ads? Tumblr Experiments With New Advertising Format http://t.co/mWlaiN7z by @sarahintampa http://twitter.com/TechCrunch/status/241620282157199360