Facebook is also bleeding executives. Senior executives Katie Mitic and Ethan Beard this week, bringing the number of high-level departures since the IPO to three.

(Even Mark Zuckerberg's sister, , and his brother-in-law, , husband of Mark's other sister, Donna, now work for Google, although somewhat accidentally. They both work at Wildfire, the social-marketing startup that Google just bought for $250 million.)

Facebook security is also a hot topic now. For example, several Major League Baseball Teams' Facebook pages were .

To sum up: Facebook is having a tough summer, investors are losing confidence, users are losing interest and developers are losing their tempers.