How Google, Wikipedia, Firefox, Reddit, Wired and many website protest the SOPA

Music and film industry giants such as News Corp., RIAA, MPAA, Nike, Sony, Comcast, along with VISA initiated the SOPA (Stop Online Piracy Act) supported Rupert Murdoch. Responding to this many website try to defend freedom of information on the internet doing their website black since yesterday. Several top website like Wikipedia, Google, Facebook, Twitter, Boing-Boing, Reddit, Wired are protesting the SOPA. There is some of those website are blackout totally. Here are the display of some website to show how they disagree with SOPA

Google

WordPress

Wired

Wikipedia

Firefox

Boing Boing

Actually I am one including the group who protest SOPA. But if it has to be done, i hope SOPA will not impact the careers of internet marketers like me.