Tangentially: Microsoft telemetry collects the serial# of your devices and reports it (with your IP and MS account) back to the mothership, and some printers em

Tangentially: Microsoft telemetry collects the serial# of your devices and reports it (with your IP and MS account) back to the mothership, and some printers embed their serial# in printed pages. So take countermeasures if you print something out criticizing any groups that abuse political or law-enforcement powers.