The future is bright for tech firm’s leading lights

Wifi is dead ... Long live lifi

French researcher Suat Topsu has come up with new communications technology which promises to revolutionise our digital life all over again. First there was wifi, now there’s lifi: light bulbs which also provide internet access.

Paris transport authority RATP is already planning to equip all the tunnels of the Paris metro with lifi by the end of 2020, making it the first such connected underground system in the world.

As well as providing a secure internet connection, lifi can also use audio messaging to help tourists and visually impaired ...

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