The idea is that they'd form an endowment. So they put your $10 in some sort of relatively safe investment, and every year it grows by, say, 1%. So then they ha

The idea is that they'd form an endowment. So they put your $10 in some sort of relatively safe investment, and every year it grows by, say, 1%. So then they have 10¢/year/GB to spend on storage costs.