SOPA and PIPA are two of the hottest keyword on the web. If you are not aware of What SOPA or PIPA is, then you must read about it by googling it.
SOPA = Stop Online Piracy Act
PIPA = Protect IP Act
Here is screenshots of 3 leading internet companies showing their protest of SOPA in their own and unique ways.
Google home page protesting SOPA
Wikipedia (English) home page protesting SOPA
Mozilla home page protesting SOPA
Even if some one is not aware of what SOPA or PIPA is until today, on seeing above protest we will be surprised if anyone doesn’t know about it tomorrow (around billion people visit these sites everyday).
Note: If you are not seeing this changes today then you might be see it tomorrow.