Developer Crystal Fok Lo-ming demonstrates video glass technology in Causeway Bay. Photo: K. Y. Cheng/SCMP

Turning buildings into screens? We can do that, says Hong Kong inventor in advertising first

Technology turns glass panes into video screens and could soon gauge the age and gender of passers-by – and their attention span

Developer Crystal Fok Lo-ming demonstrates video glass technology in Causeway Bay. Photo: K. Y. Cheng/SCMP
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