A Law so vaguely worded like this can be (mis)used in a Multitude of Ways. If Laws like this are seriously considered, then why not have more Laws that are worded to be as nebulous as possible. America could cut down on Costs for the judicial System; just flip a Coin.
The SOPA is so vague, you can twist it in any Way you desire and if it comes to pass, People will do just that. The SOPA shouldn't even have come this far in my Opinion; not because i disagree with some Points that are actual Points rather then roundabout BS.
It shouldn't have come this far because anything so open to misuse should never come to pass in any System of Law that can call itself that.