If there's one thing I learnt the last decade, it's to not underestimate how even the shittiest of tech, like a smart fridge or an iot juice press, will become must-haves for the consuming class. In this case, perhaps it's "find my keys", "alert me when my toddler wakes up", "metaverse body tracking", etc/whatever.

Customers also didn't ask for even more ads and tracking in their TV, but they did ask for cheaper devices - the result is that you'll have to shell out serious bucks for "digital signage"-style displays if you want to live in peace.

Warehouse and asset tracking and management is the number customer of this technology. On consumer router this will be just a marketing bullet points. Find your car key were you always put them but forgot.

Similar motivations as gait recognition or accelerometer data harvesting as proxy for other human actions.

“You seem to spend a lot of time in your bathroom, would you like to try one of these laxatives from our partners?”

“Your honor, wifi data clearly shows the defendant was…”