> but also certainly not Uber scale. How many Uber rides are happening every second? I suppose it depends exactly on their setup, but I could see that being at

> but also certainly not Uber scale. How many Uber rides are happening every second? I suppose it depends exactly on their setup, but I could see that being at least the right order of magnitude. EDIT: According to the Internet, there are about a billion Uber rides per year, which makes for about 31 rides per second. Even if there are 1000 transactions per ride, 21k/second sounds approximately Uber scale to me.