This is a blog series where we're asking each of our PyConUS 2026 keynote speakers about their journey into tech, how excited they are for PyconUS and any tips they can provide for an awesome conference experience! Here's our interview with Lin Qiao Without giving too many spoilers, tell us what your keynote is about? Most AI products are built on rented land. If your competitor can make the same API call, you do not have a moat. I will break down what the teams pulling ahead are doing differently, with real examples from Cursor, Notion, and Vercel, and get into the hard tradeoffs nobody talks about enough. How did you get started in tech/Python? My path into tech started pretty naturally. I studied STEM all through high school and undergrad, so it was always the space I gravitated toward. Python specifically came later, during my PhD, where I started using it to run experiments and support my research papers. What do you think the most important work you've ever done is?...