Yeah, she was so not taking notes because she came from an all muggle family, duh! All of this info was stored right in her handy dandy brain. Okay, even she had to admit that she didn't know about those RF waves, but that was just technical mumbo jumbo that nobody really cared about. She got the gist of things and that was what mattered.

Negative things about cellphones? Hmm... that was kind of tough because AJ thought they were really awesome. "You can get mad addicted to some of the cool stuff on there and next thing you know you are walking into poles because you just can't tear yourself away." That was a serious problem.