My recent trip to GDC Online in Austin, TX, reminded me how much I hate traveling by airplane. Being crammed into an aluminum tube with a hundred other people, after waiting uncomfortably for hours, after being frisked, maybe, is just not my idea of convenient. I’d rather drive. But this also made me return to a thought I’d had some time ago. Traveling is expensive, time-consuming. Daunting, even. But there’s so much fascinating stuff in …