 Nevertheless, there are still problems that have to be overcome, such as restrictive copyright enforcement by music rights collecting agencies.Berger claims that YouTube revenue running into the millions is being lost because GEMA's policies prevent artist's videos from being shown online in the country.Conversely, it can be questioned how much of this lost revenue would have actually benefitted GEMA members, given that licensing agreements in other territories are subject to a confidentiality agreement that prevents even the membership of the collecting societies from knowing the royalty rates.