The FTC inquiry dates back more than two years, and followed changes to the default privacy settings that pushed some formerly private user information into the public domain. Congressmen Ed Markey (D-MA) and Joe Barton (R-TX), co-Chairs of the Congressional Bi-Partisan Privacy Caucus, sent a letter in September to the FTC to investigate the company s use of tracking cookies. The exact terms of the rumored settlement aren t known, but reports suggest it would go a long way towards ending those kinds of practices.
Source: https://threatpost.com/report-ftc-nears-deal-facebook-opt-privacy-changes-111111/75886/