If you’re going to Wikipedia today (the English site), it’s blacked out. The same is true for Boing Boing. Google placed a black bar over their logo. These - and other - efforts are targeted against pending US legislation called (brace yourselves) the “Stop Online Piracy Act” or SOPA. If you’re curious why SOPA in its current form is a truly, truly bad idea, you can either watch this explainer by The Guardian or read read this article in Salon.com.