In the race to stay ahead in artificial intelligence, the biggest technology companies are swallowing up the talent and products of innovative AI startups without formally acquiring them. San Francisco-based Adept announced a deal late last month that will send its CEO and key employees to Amazon and give the e-commerce giant a license to Adept’s AI systems and datasets. “I’m very concerned about the massive consolidation that’s going on in AI,” U.S. Sen. Ron Wyden, an Oregon Democrat, told The Associated Press.