Comment by kqr

What I mean is that 5 bushels of wheat purchased now and stored properly can be used just the same now as three months from now. On the other hand, at a fundamental level, 5 minutes of compute purchased now are gone forever if not used.

When a clould provider pretends to sell you five minutes of compute they are not really selling you five minutes of compute, but promising to split off five minutes of partial compute from other tenants to make room for you. It gets a little complicated...