Copyright infringement goes on all the time. For example I expect a very large number of people here have avatars that are pictures they have found online somewhere, they don't own those pictures and in theory somebody could complain their copyright has been infringed. I'm not worried about this, but as a company we have to have a responsible attitude to copyright. We ask our users not to infringe copyright, and if we get any complaints that we are hosting any material that infringes anyone's copyright we have to look at that complaint and take appropriate action. We also can't willfully engage in any practices that would clearly be in breach of copyright law.