There are substantial non-cash costs that go into cost-of-revenue. These come from amortizing assets like patents and the maps, and depreciation on all the equi

There are substantial non-cash costs that go into cost-of-revenue. These come from amortizing assets like patents and the maps, and depreciation on all the equipment, including whatever backend servers there are. Share-based compensation is typically also a big one. They are "sunk costs" as far as pure cash accounting goes, but that’s not how GAAP accounting works.