. >> reporter: hudson kingston is the legal director at the nonprofit center for digital democracy. he says facebook's latest privacy language is very broad. it says in part, you grant us a nonexclusive transferrable sub licensable royalty-free worldwide license to use any ip content that you post on or in connection with facebook. >> they're trying to protect themselves against future privacy lawsuits. >> reporter: we a contacted facebook to find out how jackson's picture ended up in a sponsored ad. facebook says it was the result of an isolated bug that we are now fixing. no one else saw the image beyond the individual that viewed it. facebook goes on, we do not share or sell people's personal information to advertisers, and we do not use people's photos in ads. facebook says users own their photos and content they post. as far as that worldwide license that users grant facebook, the company says it is required to have the necessary license so that we can show your photos to your friends. crest told us it did not develop, commission, nor approve this advertisement. mistake or not,