A computer model can work out the words the person is typing during a video call just by tracking the movement of their shoulders and arms in the video stream
Source:
https://www.newscientist.com/article/2258682-software-can-spy-on-what-you-type-in-video-calls-by-tracking-your-arms/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home