The reason we'd have difficulty explaining the smartphone to someone from 60s is because it uses a while lot of infrastructure for all those spicy functions to

The reason we'd have difficulty explaining the smartphone to someone from 60s is because it uses a while lot of infrastructure for all those spicy functions to be available. This is not to take away from the pocket computer's awesomeness, but there decides in our pockets aren't self-contained. (Edit: keyboard mis-swipes)