[xnx]

I assume some of the more shady/no-name dashcam units with Wifi capability are uploading their video and internal microphone recordings. Distributed surveillance: The Panopitcar

[digging]

Any modern car is likely to already be transmitting that data and more, such as your weight, metadata about your doctor visits, etc. Cars are a privacy nightmare.

[flir]

I've wondered about crowdsourcing that. Sousveillance. Don't think enough people would be interested, though.