Draw Something, the Pictionary-like smartphone game, rocketed to 50 million downloads in its first 50 days on the market. It flew to the top of the iTunes rankings, becoming the No. 1 downloaded and highest-grossing app. With roughly 3,000 drawings being submitted on the service per second, Zynga soon realized the game’s value and promptly scooped up its maker, OMGPop, for $183 million.