I think I can see what you say about virtual property, even though I don't agree that it should all be logged, I agree that it would be public, something that any other user himself could track. So if they only see my activity within that property, than that's one thing, but once they get into my browser and gather information from it, than I think the boundary is oversteped, and they are now in my own property (my browser) and searching through my stuff.