I love hearing from former students about the great and interesting things that they’re up to—and especially when something they learned in one of my classes helped them along the way. In my experience, former students who are up to great and interesting things would often be doing those things whether or not they had taken one of my classes, but I still appreciate feeling like my teaching contributed in some small way.

Yesterday, I complained about Apple putting artificial limitations on what its hardware and software can do in terms of music syncing in order to make more money out of its consumers (and, probably, keep music companies happy). As I was writing that, I was thinking about similarities with the business model of a lot of mobile apps—let people download the app for free, but keep bonus features (or even the best features) behind a paywall. I understand that business models for apps are tricky, and after a childhood and young adulthood of delighting in how much is free on the internet, I’m finally starting to understand that it’s important to spend money on software and content that we care about. However, it bugs me when this kind of model is used when it doesn’t need to be. Apple is fantastically wealthy and doesn’t need to nickel and dime us like this.