Keith Rabois quit Square - lawsuit threat The abrupt resignation of one of Square's top executives took a surprising twist Friday when he and the San Francisco mobile payment company revealed he quit because he'd had an affair with an employee who threatened to file a sexual harassment lawsuit. Last year, it closed a $200 million round of financing and greatly raised its visibility with a partnership with Starbucks to become a cashless payment option at about 7,000 of the retail coffee powerhouse's outlets. Square, which has offices in The Chronicle's building, has created a platform ... Read More