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Although not strictly a meme, this particular Facebook photo cover deserves pride of place.
Available on Free Timeline covers, it encourages Facebook users to portray their displeasure concerning the SOPA bill and its potential 'breaking of the Internet'. The meme uses Mickey Mouse as a motif for the entertainment and music industry.
It is one of a huge number of timeline covers that have appeared across free distribution sites that protest the legislation in its own small way.
Source: Free Time line covers