download the appSign up to get the inside scoop on today’s biggest stories in markets, tech, and business — delivered daily. Read previewLegal sports betting is becoming more mainstream in the US, and regulators and leagues are starting to scrutinize it more closely. The industry's evolution is creating new challenges in areas like player protection, responsible gaming, and product innovation. "They're really trying to squeeze out as much profit and as much margin as they can, and it's starting to feel that way," Doctor told BI, describing what he considers one of the biggest challenges facing the industry. "When it comes to responsible gaming and responsible betting," she said.

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