1. Between them, oDesk and Elance claim to have more than four million coders, Web designers, marketing professionals and other workers…. oDesk, which surveyed over 2,800 companies that used its service, found that 10 percent of these buyers were college students, and 58 percent described their companies as start-ups. Not all those young companies will survive, but the habit of hiring online seems baked in; 64 percent of respondents said at least half of their work force would be online by 2015, and 94 percent predicted that in 10 years most businesses would consist of online temps and physical full-time workers.