Zuckerberg's statement to employees looks like the beginning of mass layoffs at Facebook.

Excerpt below:

"Realistically, there are probably a bunch of people at the company who shouldn't be here. Part of my hope by raising expectations and having more aggressive goals, and just kind of turning up the heat a little bit, is that I think some of you might decide that this place isn't for you, and that self-selection is OK with me."