I think most people who don’t know better just think that’s “the internet” and that it’s the same no matter how you access it. The whole concept of browsers and extensions is just not in the realm of concern.

The fascinating part for me is that sufficiently dense crowds of people (> ~5/m^2) exhibit behaviors similar to fluids

You can put your phone in airplane mode even if you don’t have a flight. I’ve tried; it works! I tell my phone when it’s time to get notifications. The elation is indescribable.