Today, online casinos are well known especially in social networking sites. These sites offer games found in online casinos for better appreciation by all users and gamers to understand more about casino games. Being one of the users of a social networking site, you will surely experienced most of the time that invitations on Texas Holdem Poker or other casino games are always filling up the homepage of your account. Well, you cannot escape that scenario unless you block your friend. But, even if you do that, time and time again, your friends will definitely send another invitation just for you to accept it.