Inside Richard Branson and Elon Musk’s unlikely friendship: bromance was on full display in that 3am Instagram pic ... but where was Jeff Bezos?

• Tesla and SpaceX founder Elon Musk paid Richard Branson a surprise call before the elder billionaire blasted into space on his Virgin Galactic flight on July 11
• But the third tech titan mounting his own space bid this summer was noticeably absent – a possibly bitter Jeff Bezos sent muted Instagram congratulations