> each time you visit a third-party webpage that has a Facebook
> Like button... the unique characteristics of your PC and browser,
> such as your IP address, screen resolution, operating system and
> browser version, are also recorded.
> Bejar acknowledged that Facebook could learn where specific
> members go on the Web when they are logged off by matching the
> unique PC and browser characteristics.... He emphasized that
> Facebook makes it a point not to do this. "We've said that we
> don't do it, and we couldn't do it without some form of consent
> and disclosure," Bejar says.
