I hope they make it impossible for sites to determine whether you're in private mode. Lots of sites refuse to work in private mode, and frankly, they shouldn't

I hope they make it impossible for sites to determine whether you're in private mode. Lots of sites refuse to work in private mode, and frankly, they shouldn't have any way to tell. Private mode is nice because it's the easiest way to delete all their tracking cookies when you leave the site.