There is no restriction about how to play the Bing homepage quiz. You can be a student, an employee of a company, or running a business. There is no one stopping you from testing your knowledge.
For now, though, Bing's the shiny new toy of the moment. Bing's daily penetration among U.S. search users was 15.5 percent during the June 2-6 time period, rising from 13.8 percent the week before ...