"In the case of Zynga, it missed the mobile transition from Facebook, and fortunately we caught it in time and now we're on it. We don't want to do that again," Zynga CEO Frank Gibeau said at the Morgan Stanley Technology, Media & Telecom Conference earlier this year. "Our management team welcomes this significant vote of confidence from Mark in the work we've done turning around the company to-date, as well as the progress we're making in our growth strategy," the company said in a shareholder letter. — Julia Boorstin contributed to this report.