Being backed by Yahoo will give Tumblr more street cred in sales pitches. But will it make Tumblr less cool?
Imagine for a second that you could interview a product. How often is it being used? For how long? And where in the house does it live?
The line between broadcast and cable is continuing to disappear. Already cable has managed to snag broadcast-level audiences, produce broadcast-quality shows and, in some cases, command broadcast-style ad rates.
Under pressure, Procter & Gamble, U.S.'s No. 1 ad spender, examines how it measures the impact of its outlay.