"Distributed Systems: Three Easy Pieces" (DSTEP), when complete, will present an introduction to distributed systems. The intended audience is third- or fourth-year students in CS or related fields. It will focus on three major conceptual pieces: Fundamentals, Techniques, and Case Studies. If you are interested in hearing about DSTEP in the coming months, please answer one question (below) and leave your email address here. Thank you! Don't worry, you won't get many emails, maybe one or two at most.