> Those spoiled yuppies paying a 50%+ markup on coffee just to have it delivered by drone are the ones subsidising the research and engineering efforts that go

> Those spoiled yuppies paying a 50%+ markup on coffee just to have it delivered by drone are the ones subsidising the research and engineering efforts that go towards delivering medicine to inacessible spots Really? Are spoiled yuppies ordering coffee a significant fraction of projected drone deliveries? I doubt it.