That soft opening DraftKings had with its mobile app last week for sports betting is now hardcore. If you're in New Jersey, anywhere in New Jersey, the window is now open.

"Being first is a huge testament to our product development team," DraftKings cofounder Matt Kalish said Monday morning, "And a major point of pride for us."

Because of its partnership with Atlantic City's Resorts Casino, DraftKings is licensed to offer sports wagering through its app and website. The only restriction  is that the bettor has to be physically in the state of New Jersey. The IP address, something George Orwell tried to warn us about, will know.

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Kalish said in-game wagering is available, something that is both unique to regulated sports betting in this country and especially dangerous to compulsive gamblers. If, for example, a baseball game goes extra innings, like Sunday night's Yankees-Red Sox contest, bettors can place a wager immediately after the ninth inning on which team will win. Local bookies don't offer that option.

DraftKings opened limited mobile sports betting on Aug. 1, becoming the first in the Garden State to do so. The Borgata is thought to be close to doing the same. Caesars Entertainment (which operates the sportsbooks at Bally's and Harrah's) and William Hill-US (Ocean Resort) are hoping to offer it within a few weeks or less.

An early criticism of DraftKings sports betting lines was the excessive juice on baseball games.

"We heard that," said Kalish, who called the complaints valid. "Any time we're off the mark," he said, they're going to make the necessary adjustments.