[...] There are three important categories of Uber drivers: hobbyists, part-timers, and full-timers. Hobbyists are drivers who, quite simply, don't need hte oney. Part-timers need the money but don't or can't work full time for a variety of reasons. Finally, full-timers are just that: people whose primary income is driving for Uber, some of whom put in significantly long hours. Most drivers work part time, but a minority are pulling long hours as full-time drivers [...]