While Wikipedia went dark completely on Wednesday, Jan 18, the search engine giant in its US homepage put a black box on its logo. Meanwhile, many other popular websites in the US also decided to agitate, but not with violence.
US Congress' proposed Stop Online Piracy Act (SOPA) and Protect IP Act (PIPA) irked Google, Facebook, Yahoo which are based on entries from outside sources. [Read: What is SOPA, PIPA]
Citing the latent threat which may render Wikipedia unworkable, it might be forced to shut down. [Read: 10 things you want to know about Wikipedia blackout]
However, reacting to Wikipedia's decision to "go dark" on Wednesday, Jan 18, popular micro-blogging site Twitter's CEO Dick Costolo had lashed out at the online encyclopedia's move calling it 'foolish' and 'silly'.