More than a year after the MPAA and RIAA announced their groundbreaking anti-piracy deal with U.S. Internet providers, the first warning letters are yet to be sent out. Previously, July 2012 was coined as the start date but the responsible parties are still not ready to launch. While TorrentFreak has learned that various ISPs will start the implementation at different times, it remains a mystery which company will be spying on filesharers.