Wikipedia’s done it
So has Google (sort of)
I, too, stand against the Stop Online Piracy Act (SOPA) and Protect IP Act (PIPA) (quick infographic of why) although I’m not certain I’ve installed the plugin correctly here to indicate that.
By the way, do not even get me started on the Research Works Act (RWA) or I won’t stop. 2012 is turning out to be the Era of Evil Congressional Acronyms as far as I’m concerned.