Major Facebook Security Flaw Makes Private Chats and Requests Public

This morning, Facebook users discovered that by using the "Preview My Profile" option, a user's private chats and requests became visible. In the words of TechCrunch, the original reporter of the story:

Today I was tipped off that there is a major security flaw in the social networking site that, with just a few mouse clicks, enables any user to view the live chats of their 'friends'. Using what sounds like a simple trick, a user can also access their friends' latest pending friend-requests...