A warrant canary is a method by which a communications service provider aims to implicitly inform its users that the provider has been served with a government subpoena despite legal prohibitions on revealing the existence of the subpoena
A warrant canary is a method by which a communications service provider aims to implicitly inform its users that the provider has been served with a government subpoena despite legal prohibitions on revealing the existence of the subpoena
IDK if its true but I heard of cartographers doing something similar. Include some fictitious minor feature somewhere so you can demonstrate that someone has copied your map.
Paper towns. As in, towns that only exist on paper. There’s also a movie with that name, Paper Towns, though I can’t recall if it’s related to the concept. IIRC, it mentions the term at least. It’s absolutely true. Back when paper maps were a thing, they would put some random town in, and look for it in competitors’ maps.
Now that we have satnav, things like Google/Apple Maps and various others, I think they’re mostly a thing of the past.