Kids are swapping AirPods and using text-to-speech in class without being caught
You swap an AirPod with your friend and then use text-to-speech to communicate with them. The video shows someone using Google Translate, but any app could presumably be used just fine. And the results should be the same regardless.
https://twitter.com/i/status/1219643485902508036
This is a perfect way to communicate in class without getting notice or even cheat. For more information do check out here.