seen from China

seen from Germany
seen from South Korea
seen from United States
seen from Türkiye
seen from Norway
seen from Finland

seen from Moldova

seen from Brazil
seen from Türkiye
seen from United States

seen from United States

seen from Malaysia
seen from United States

seen from Australia
seen from United States

seen from United States
seen from Australia

seen from Algeria
seen from Australia
Spying with wifi signals
Not on the computers connected to the wifi. Using the signal itself to detect human body shape and motion between a broadcaster and receiver, down to and including detecting which keys are pressed while typing.
OK, there are, like, half a dozen caveats listed in the keystroke-extraction paper. It’s probably not possible (yet?) for the residents of apartments 101 and 103 to conspire to steal all of 102′s passwords. But still, wow.