OpenAI's unique corporate structure left Sam Altman vulnerable. Now he's out

OpenAI's unusual company structure weakened Sam Altman's position as CEO and left him open to surprise on Friday when he was quickly ousted from the company. It's rare to see founders forced out of a firm they helped co-found. At Uber , for example, founder Travis Kalanick was forced out only after a series of reports on privacy issues and allegations of discrimination and sexual harassment at the ride-sharing company. But Altman and co-founder Greg Brockman, who also left OpenAI Friday, didn't have the power that Kalanick had. "I have...