Kagan actually has a good point.
I would not expect the geriatric Justices to understand that people today use their cell phone for exactly the same purpose they used desktop computers for twenty years ago.
Judges are generally tech stupid.
Just remember they are from the same government types that created the health exchange.
These are the same mentality types that think “portal” is not the same as website.
These are the same mental midgets that think cloud computer is different from “renting space on someone else’s” server. (ie 100% hackable)