As previously advised, your Amazon.co.uk account has been closed, as it has come to our attention that this account is related to a previously blocked account.

FORBES: How Amazon Can Make Your Kindle Content Vanish -- And Not Give You A Reason Why

Twitter has blocked access to a neo-Nazi account at the request of the German government.

BBC: Twitter blocks neo-Nazi account to users in Germany

The focus on German account holders comes after the German parliament last year blocked a controversial German-Swiss tax treaty, dealing a major setback for Switzerland.

WSJ: Credit Suisse Threatens to Cut Off German Clients

While the main Twitter account, which used to publish in several languages, had been blocked, a separate feed in Arabic continued to operate.

BBC: Somalia's al-Shabab opens new Twitter account

Critics say the act's broad description of what the FCC should take into account in its definition could mean a huge number of sites will be blocked by libraries.

BBC: Many schools have already banned social network sites