Now it's Europe's turn, with demonstrations over the weekend against another piece of anti-piracy legislation Acta, the anti-counterfeiting trade agreement. (By the way, there is a good explanation of all of the various anti-piracy measures here.) Now, for all the online anger, this is not an issue that has really caught the public imagination in the UK. The crowd at London's anti-Acta demo numbered no more than a few hundred.