Good Lesbian Books is blacked out for the 18th January EST time* along with Wikipedia, Reddit and assorted other sites around the internet. Because if anyone should care about censorship, it should be the LGBTQ community (and librarians. And users of the internet. So it hits three of our buttons).
If you're on Blogger or similar, just add the script right before the </body> tag in your HTML (this will also make it easy to find later).
Other sites joining in: (Are you doing it?)
MLG (Major League Gaming)
A Softer World
And a whole lot more on SOPA Strike
Google won't be shutting down, but will be displaying an anti-SOPA message
*(approximately, time zones are weird!)