Hair and style

"Superman:" that's the word Apple CEO Tim Cook used to welcome his senior VP Craig Federighi back to the stage for the fourth time during what was ostensibly Cook's WWDC keynote. Mashable has crunched the numbers, and it seems Federighi was on stage for nearly 78 minutes during the 112-minute event, or roughly 70% of the time. By contrast, Cook was on stage for less than 20 minutes, or a mere 17 ...