According to wikipedia, "The bill would allow the U.S. Department of Justice, as well as copyright holders, to seek court orders against websites accused of enabling or facilitating copyright infringement. Depending on who requests the court orders, the actions could include barring online advertising networks and payment facilitators such as PayPal from doing business with the infringing website, barring search engines from linking to such sites, and requiring Internet service providers to block access to such sites."
Block. access. to. a. site.
Got a can of coke in your hand in that facebook profile pic? Could be a felony conviction, up to 5 years in jail. Not kidding. (And that's two copyright infringements right there!)
How SOPA will break DNS: In case you were trying to figure out how broken the Internet will be if SOPA passes, have a look at this article and this article from DynDNS, one of the world's leading DNS providers.If you think this is all a bunch of goldarned hooey, contact your legislator and tell them so. You can tell them I sent you.