The difference is that Uber's network effects aren't as important. As long as a service has a minimum number of users (and there isn't any cost to maintaining a

The difference is that Uber's network effects aren't as important. As long as a service has a minimum number of users (and there isn't any cost to maintaining accounts on multiple services) they're essentially equivalent. Anecdotally, people in my region refer to these services as "Ubers" like "Kleenex" or "Xerox", or refer them as "cars."