On the other hand, since this data about you can be sold over and over its value is likely to decrease over time. Perhaps those who "spent" their data on a deca

On the other hand, since this data about you can be sold over and over its value is likely to decrease over time. Perhaps those who "spent" their data on a decade of free email got in on the ground floor and others will eventually be forced to trade their data for much less, or perhaps nothing at all.