IIUC, existing services use geostationary orbits, which accounts for a lot of the cost and latency. The new plan is to use a large number of satellites in LEO,

IIUC, existing services use geostationary orbits, which accounts for a lot of the cost and latency. The new plan is to use a large number of satellites in LEO, with receivers able to switch to whichever are currently in view. Lower orbits are cheaper, and latency should have a better lower bound.