Summary
With time, skill, and the right equipment, people could potentially watch your keystrokes, read your lips, or listen to sound waves. The only people who can do this kind of spying are researchers and people who are able to replicate their results. That latter group includes state governments, Jie Yang confirms.
Wi-Fi sensing is often touted as “privacy protecting” because it does not show naked bodies. But, “just because it is a sensing mode that humans do not natively have does not mean that it can’t be invasive”
