Yoyodyne, launched in 1995, used contests, online games, and scavenger hunts to market companies to participating users. In August 1996, Flatiron Partners invested $4 million in Yoyodyne in return for a 20% stake. At Yoyodyne, Godin published Permission Marketing: Turning strangers into friends and friends into customers. In 1998, he sold Yoyodyne to Yahoo! for about $30 millionYahoo Acquiring Yoyodyne Wired.com. October 12, 1998. and became Yahoo's vice president of direct marketing.
