On the Web, the new form of commerce is the exchange of personal information for something of value. This is a transaction that millions of us participate in every day, and it has potentially great benefits. An auto insurer could monitor a customer’s driving habits in real time and give a discount for good driving—or charge a premium for speeding—powered by information (GPS tracking) that wasn’t available only a few years ago…

-Jonathan Rosenberg, VP of Product Management, Google