Amid questioning about TikTok’s use of biometrics in today’s Congressional hearing, TikTok CEO Shou Zi Chew offered some insight into how the company vets potentially underage users on its platform. Knowing what a refrigerator, cabinet, book, laptop or garage door look like closed is one thing and open is another, but how does it get from A to B? It sounds simplistic but if AI models aren’t provided this information, they aren’t likely to invent or intuit it. had the TikTok CEO in the hot seat, poised to explain the actual techniques TikTok uses for age determination, and all we got were screaming, blustering politicians putting on a show instead of getting real answers