From the article: "A British judge has ruled that Facebook must help identify
multiple people who allegedly created a fake Facebook page and used it to
harass a British woman.
… According to legal experts, her case is the first-ever
private prosecution in Britain involving online harassment, although Facebook
reportedly has yet to receive the official legal papers, which must be served
in the United States, since that's the primary place Facebook stores its data. Reached
for comment about the case, a Facebook official stressed that the social
network encourages people to use their real names
when creating accounts. Read more