Life & fun · November 16, 2015
Tech News Today - 1389: Supersonic Ad Tech Tracks Users
Ultrasonic sounds are being embedded into TV commercials.
Tech News Today - 1389: Supersonic Ad Tech Tracks Users launched on November 16, 2015 with 60 votes, #1,387 of 4,108 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 10 years on.
What it does
Ultrasonic sounds are being embedded into TV commercials and display ads, Huawei invents a battery that charges two-thirds full in two minutes, the world
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