Printing (even text) is also a risk: It's very likely your printer is secretly adding marks to the page that contain its serial number and the current timestamp. [0]
Meanwhile Microsoft (and Apple) have "telemetry" harvesting those serial numbers of all internal and external devices you've ever had connected or reachable. Then they link them to your MS/Apple account, IP addresses, and the extended social-graph of all computers that were ever in the same room or shared the same bluetooth speaker.
In short, your "anonymous" flyer critiquing The Regime and depicting Dear Leader as a clown could lead thugs straight to your door. Or to the door of whomever you're staying with.
Printing (even text) is also a risk: It's very likely your printer is secretly adding marks to the page that contain its serial number and the current timestamp. [0]
Meanwhile Microsoft (and Apple) have "telemetry" harvesting those serial numbers of all internal and external devices you've ever had connected or reachable. Then they link them to your MS/Apple account, IP addresses, and the extended social-graph of all computers that were ever in the same room or shared the same bluetooth speaker.
In short, your "anonymous" flyer critiquing The Regime and depicting Dear Leader as a clown could lead thugs straight to your door. Or to the door of whomever you're staying with.
[0] https://www.eff.org/issues/printers