<p>Signs are being 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".<br />The message from the sport's Tennis Integrity Unit points out that Twitter messages could violate the sport's anti-corruption rules.<br /><br />The signs say tweeting is not allowed on court during matches. They also say tweeting certain things off the court could be considered relaying inside information.<br /><br />The warning applies to players, coaches, agents, family members and tournament staff.</p>
<p>Signs are being 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".<br />The message from the sport's Tennis Integrity Unit points out that Twitter messages could violate the sport's anti-corruption rules.<br /><br />The signs say tweeting is not allowed on court during matches. They also say tweeting certain things off the court could be considered relaying inside information.<br /><br />The warning applies to players, coaches, agents, family members and tournament staff.</p>