(FILES) Head of Xbox, Phil Spencer, speaks at the Xbox media briefing where new games were introduced on the eve of the annual E3 video game extravaganza in Los Angeles, California on June 9, 2014. Microsoft on February 20 put out word that Xbox stalwart Phil Spencer is retiring, in a shakeup of leadership at the tech titan's video game unit. Former Instacart chief operating officer Asha Sharma will take over as head of Microsoft Gaming, with Matt Booty becoming executive vice president and chief content officer. (Photo by Frederic J. BROWN / AFP via Getty Images)