Sale of digital goods from World of Warcraft violates the company's terms of use, and "Cash Cliques" might even represent fraud. Users also receive shares from clicks made by buddies they've recruited into the "Cash Cliques" pyramid -- as customers recruit others, their recruits, in turn, tap much more users to click on, constructing an increasingly wider base for those at the highest. For extra information on on-line cash-making, including associated HowStuffWorks articles, learn the following...