Bikes have always been nicer to me than cars. I love them for it!
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Q&A for professional and enthusiast programmers
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization