Spying via Body Movements on Video calls

(Update This was further discussed as a danger of the common behavior of  'Side Chatting' on Zoom. You can derive what is being said/typed from high resolution images)  See in Fastcompany.)

Anther example of patterns from one kind of transmission (body movement)  to another kind (typing) that could leak specific information.  In the 70s we worked similar approaches for the DOD, which might leak information from combinations of sound, vibration and electromagnetics.   Very conceivable.  Then well before modern machine learning methods.  

Software can spy on what you type in video calls by tracking your arms   

TECHNOLOGY 30 October 2020  By Chris Stokel-Walker in Newscientist

Someone who types while on a video call may be giving away more than they realise. A computer model can work out the words that the person is typing just by tracking the movement of their shoulders and arms in the video stream.

“There are significant, oftentimes not very easily discernible shoulder movements that occur when typing,” says Murtuza Jadliwala at the University of Texas at San Antonio. “We thought if we are able to model them scientifically, we should be able to infer …'

Google Duo Group Video

Notable this is available for bot IOS and and Android.    Will take a look.   Ability to share docs and screens for sharing work?   Integration with Google Drive?   Support for other business augmentation and functions?

Google Duo's Group Video Calls Roll out to Everyone in Engadget

You can chat with up to seven of your friends at the same time.
Google is making Duo more useful as it's rolling out group video calls to everyone on Android and iOS. You can have up to eight people on a call at once (a far lower limit than FaceTime's 32 and Skype's 50). Group calls gradually went live in some markets this month, but now they'll be available for everyone.  ... "

And Facebook on your TV?

Taking over a channel rather than creating a new one?  Note how Facebook moving away from the other 'intelligent' assistant voice services.   Originally it was said they were building human augmented systems.  But could this be a way to insert those capabilities into video augmented by intelligence and the architecture of natural networks like family, workers and friends?   Facebook has these, as does Linkedin. 

Facebook is reportedly making a video chat camera for your TV
It would be Portal for the biggest screen in your home.

By Jon Fingas, @jonfingas in Engadget

Facebook's Portal cameras might just be the start of the company's plans to bring video chat to your home. Cheddar sources claimed that the social network is making a "camera-equipped device" that brings video chat and streaming services (including Facebook's own) to your TV. Nicknamed Ripley, it's tentatively slated to launch in spring 2019. A Facebook spokesperson declined to comment.  ... "