Using Twitter during matches could be 'inside information,' violate corruption rules
(AP) - Tennis authorities are telling participants in the US Open, which begins Monday, to watch their tweeting. Signs are posted in the players' lounge, locker rooms and referee's office at the USTA Billie Jean King National Tennis Center with the header: "Important. Player Notice. Twitter Warning." The signs, written by the Tennis Integrity Unit, point out that Twitter messages could violate the sport's anti-corruption rules. More»