How TikTok dances trained an AI to see
https://www.vox.com/videos/2023/4/25/23698059/tiktok-ai-depth-estimation-mannequin-challenge
And remember the Mannequin Challenge? Yep, they used that too.
The quest for computer vision requires lots of data — including real-world images. But that can be hard to find, which has led researchers to look in some pretty creative places.