The Electronic Privacy Communications Act of 1986 is supposed to protect electronic communication.
VOA: standard.2010.06.22
The Stop Online PrivacyAct (SOPA) and the Protect IP Act (PIPA) have reasonable intents, but are singularly poorly constructed, seemingly drafted because the Digital Millennium Copyright Act was not producing the intended effect.
In 1986, The Electronic Communications PrivacyAct updated federal wiretapping law in an effort to protect the Fourth Amendment rights of cell phone users.
There is also the thorny question of how Facebook could comply with the Children's Online Privacy Protection Act (COPPA) in America, which was designed to protect children under 13 as they use the internet.