Latest: Uber say this viral story is NOT a tricksy marketing effort

This guy is not on the Uber marketing team after all.

Update 5pm: Uber have said a taxi driver taken to a baseball game by three lads he picked up in his car is "not associated with the Uber marketing team".

The story sparked some sleuthing on Reddit, with posters suggesting the taxi-man might have been part of a planned effort to send a story viral.