The stakes for Facebook's chief technology officer, Mike Schroepfer, couldn't be higher. While Facebook is the leading social network in terms of subscribers, that means constant pressure to keep all its apps up and running.
Even the smallest outage sparks criticism and outrage. And there's a never-ending list of new rivals, positioning themselves as the newer, cooler, alternative.
For Facebook to maintain its position atop the social media food chain, and for the stock to retain the confidence of investors, the company has to innovate and stay two steps ahead of what consumers want.