Facebook unveiled their plans for a new advertising network and it relies on user provided detail about themselves for marketers to target their ads.

Legal experts say this violate privacy laws. The Facebook will open up social ads combining with actions by the users such as purchase, review or a service with the message of advertises. The ads will appear in a user’s newsfeeds sponsored content according to facebook.

According to William McGeveran of the associan of law at the University of Minnesota in his blog that this new initiative by Facebook only asks users in general whether they want to share information.