ARPU, CAC, eCPI, LTV. Be honest: Have you found yourself sitting in a bunch of GDC sessions wondering what all these crazy acronyms mean? This talk is intended to provide basic information for folks moving from the packaged goods side of the game business in to online. The most frequently used web business metrics will be discussed and defined with the goal of giving attendees unfamiliar with those concepts a foundation for learning more. This talk is meant for beginners -- those with experience making social or free to play mobile game are unlikely to learn anything new. But if you're keen for a refresher, feel free to join!