WEST PALM BEACH, Florida, Feb 3 : Disruption to businesses from artificial intelligence development is "top of the page" for Blackstone, the world's largest alternative asset manager, its president and chief operating officer Jon Gray said on Tuesday. "You want to be thinking about this in almost everything you're doing now," Gray told the WSJ Invest Live event in West Palm Beach, Florida. Blackstone manages assets worth $1.27 trillion, spanning most sectors of the economy across the world.