Some question whether people will give up personal information in exchange for discounts. But the success of grocery bonus cards and casino affiliation cards suggests that people value parsimony over privacy. If the trend continues, there may be nothing left to pay for. I might once have made an April Fool's joke about vendors offering free printers in hopes of making up the difference with sales of ink and paper. But given the tremendous drop in personal printer prices recently, that scenario could be commonplace by the time this issue hits the stands.
Computers still cost money.
Bet on it. But only if somebody gives you a free turn at the table.