I agree that is what was behind Tumblr. But it's my belief that integration will take time. Yahoo could get ahold of some of the mobile ads, they've been invest

I agree that is what was behind Tumblr. But it's my belief that integration will take time. Yahoo could get ahold of some of the mobile ads, they've been investing heavily in mobile development. Twitter is about to make a big push with Dorsey (he's smart enough to know that's where he competes) and so is Snapchat, which is why I mentioned them.