Other hires from Google to Facebook include Ben Ling who is now director of platform product marketing and Ethan Beard, a former director of social media and now director of business development.
"We are betting big on the cloud with our most successful product, and we are investing heavily both in the product engineering side and the physical infrastructure side, " Tim O'Brien, Microsoft's senior director of platform strategy, said last year when the company first unveiled a Web-based version of its Office software.