In the conference call, Mayer made an early reference to how Tumblr would be able to make good use of Yahoo’s advertising technology, in ways that fit Tumblr’s so-far successful, image-based, quick-blogging, youth-oriented format — what she called “native advertising formats.”

via Yahoo: Expect Ads On Tumblr To Ramp Up Significantly In 2014 | TechCrunch.