[godelski]

> or is it uploaded only where a user activates the extension.

What if the extension is always running? Looking in every text field it finds? Because that would be convenient, but clearly we aren't "using the service" in all instances (as in ignoring what it suggests because it is easier than turning it off).

[grabeh]

For sure - that was my thinking on the alternative scenario. If that happens then that certainly changes the picture somewhat although my other points remain true around what Grammarly would decide to do with that content I would say!