Microsoft’s vision of your computing future is on display in its just-published patent application for the Metered Pay-As-You-Go Computing Experience. The plan, as Microsoft explains it, involves charging students $1.15 an hour to do their homework, making an Office bundle available for $1/hour, and billing gamers $1.25 for each hour of fun. In addition to your PC, Microsoft also discloses plans to bring the chargeback scheme to your cellphone and automobile — GPS, satellite radio, backseat video entertainment system.