One place where it would work well is offices. Office buildings have drop ceilings that make it easier to mount devices on the ceiling. Then have one Lifi in each office or pretty dense in open plan offices.
This could solve the problem of getting reliable speeds to devices without Ethernet, that are either hard to wire or don't want to plug in.
This could solve the problem of getting reliable speeds to devices without Ethernet, that are either hard to wire or don't want to plug in.