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Flickr is the largest photo-sharing site on the web, with over 6 billion images. Launched in 2004, the site has gone from strength to strength. But the entire site is threatened by copyright infringement claims under SOPA, should it go through. Flickr could crumble based on a rogue claim, or even a legitimate one.
Flickr will allow users to darken their photos, or opt-out altogether.
The company said: "Unfortunately, we and many others believe that these bills miss the mark. These bills have the potential to stifle innovation, require censorship of search results, impose monitoring obligations, and change the way information is distributed on the web. Government regulation of online activities is a slippery slope and these proposed bills fall down that slope without truly addressing the issues that ignited this debate".
You can read Flickr's comments here.