The 'six strikes' Copyright Alert System that was introduced in the US earlier this year has failed to slow traffic to pirate sites.

That's according to TorrentFreak, which reports that infamous copyright infringing site The Pirate Bay, for example, has in fact seen an increase in traffic that amounts to more than double it received a year ago from US users since the introduction of the six strikes scheme in February.

Its second-highest ever number of monthly page views ...