Craigslist is one of the best-known, and most popular, Web sites, allowing people to find household items, find apartments, and jobs (among other things). How does Craiglist’s back end work? How is it able to provide such fast and responsive search results? In this talk, Jeremy Zawodny describes how Craigslist has evolved over time, and how this evolution has allowed them to improve their search responsiveness. If you’re interested in how to scale Web applications, then Craigslist is a great example, and their technology choices are useful to learn about, too.