Yea I always liked the way Spanner solved this. Let's not bother with any of the distributed system theory and just use that Google money to build in to the system extremely precise clocks :-D.
(Obv I know it's more complicated than that, but where else can you be reductionist if not the internet)
(Obv I know it's more complicated than that, but where else can you be reductionist if not the internet)