So no one has heard of Li-Fi then? It’s basically insanely fast Wi-Fi that communicates via light instead of radio frequency. It’s been under development for at least a decade. Disney didn’t invent a thing here.

This has been around since 2010......

Oh boy. Nothing new here. One of the tech sites (CNet or Engadget) showcased a whole intra office wifi-like system utilizing the ceiling lighting being modulated, and this was like 10 years back.