Smartphone should not be compared to a calculator. The closer analogy would be kids bringing in their friends, cousins, music, games, photo albums, films etc into a class and interacting with them.
Glossy magazines, handy-dandy mobbing tools, porn, a kiddie slot machine, a big stack of totally random niche zines that include yes the icky ones, a kiddie panopticon, their anxious parents, a gaggle of marketers and influencers grooming their income streams (this is a fun game) and interacting with them.
