According to the Wall Street Journal Facebook has a serious problem.  Reporters Emily Steel and Geoffrey Fowler state:

Many of the most popular applications, or “apps,” on the social-networking site Facebook Inc. have been transmitting identifying information—in effect, providing access to people’s names and, in some cases, their friends’ names—to dozens of advertising and Internet tracking companies, a Wall Street Journal investigation has found.

The issue affects tens of millions of Facebook app users, including people who set their profiles to Facebook’s strictest privacy settings. The practice breaks Facebook’s rules, and renews questions about its ability to keep identifiable information about its users’ activities secure.

(Kim White Bloomberg) Facebook founder and CEO Mark Zuckerberg addressed the F8 developer conference this spring.

In other words… Oops!  The full article (which goes into waaaayyyy too much detail) can be found HERE.  The bulk of it says, basically, that Facebook F’d up and we all get to sit back and watch what happens next.  If you’re concerned… then we have the perfect solution for you… stop using Facebook!