Two Congressmen Edward Markey and Joe Barton sent Facebook Chief Executive Mark Zuckerberg a letter expressing concerns that third party applications gathered and transmitted personally identifiable information about Facebook users and those user’s friends.
The two Congressmen have asked Facebook to answer questions regarding a privacy breach unearthed by a report in The Wall Street Journal on Monday. The Journal said that third-party Facebook applications, such as Farmville, were transmitting Facebook user IDs to advertising and Internet tracking firms.
UIDs are uniquely identifying numbers assigned to every Facebook user that can be used to identify a user’s real name and any publicly available Facebook profile information. Facebook’s developer policies forbid applications to share Facebook user data, including UIDs, with third parties.
In reply, a Facebook spokesman said the company looked forward to addressing any confusion and working with the congressmen. He said: