If Li-fi takes off as Estonian start-up Velmenni hopes, it begs the question, Why Wi-fi? Photo: SCMP Pictures

Watch out Wi-fi, here comes Li-fi - and it’s 100 times faster, says Estonian start-up

Company boasts of potentially revolutionary new tech that uses visible light to transmit data.

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If Li-fi takes off as Estonian start-up Velmenni hopes, it begs the question, Why Wi-fi? Photo: SCMP Pictures
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