Gambling911 – Bitcoin is becoming big business in the world of online gambling.  Earlier in the month, Gambling911.com reported that one of its ad sponsors, SportsBettingOnline.com, had become the first online sportsbook that was not bitcoin exclusive to begin offering the anonymous digital currency. Gambling911.com will be bringing on a bitcoin-specific online sportsbook during the month of September as well. The online gambling sector is slowly beginning to embrace the sometimes controversial currency that in recent months has come under more intense scrutiny of the US Government. One firm is now reporting that online gambling actually accounts for half of…