Ordinary laptops could also soon be getting their power from network cables as work is starting on specifications for PowerOverEthernet Plus which will be able to deliver 30-35 watts.
Power-Over-Ethernet could end up being a universal power supply for much computer hardware as the cables and connectors for it are the same all over the world.
Now many, many new network installations are using Power-Over-Ethernet so you can run a phone, you can run a PC, a security camera all over these blue wires.