This document provides an introduction to media strategy and planning. It discusses key concepts like reach, frequency, and advertising cycles. It explains that a media plan balances reach, frequency, and number of advertising cycles based on a fixed budget. Increasing one requires decreasing the others, like a balloon with three ears. The document also discusses factors that influence frequency, such as marketing, creative, and media considerations. It outlines different scheduling methods and how they relate to purchase cycles. Finally, it poses questions that media planners should consider when developing a strategy to maximize value and positioning.