We're glad the internet exists, but before that, we spent a lot more time in libraries. Even today's kids still hang out at libraries , in case you were wondering. It's lovely to see parents reading to their kids, librarians hosting story hours for toddlers who won't sit still, and families checking out a dozen books for them and the kiddos. Some things never change. The library-going experience for today's kids is usually about fun, though. Most kids will never have to worry about going to the…