Sam Altman and Elon Musk are racing to build an 'everything app'

Sam Altman and Elon Musk aren't just competing in the AI race; they both have ambitions to build Silicon Valley's holy grail: an "everything" super app encompassing finance, social media, gaming, and more. Earlier this week, I got a peek at Altman's plan from a cavernous event space on the northern edge of San Francisco. […]