Animation has come a long way over the course of the web’s still-young history. For years, designers felt the need to take sides. Should we build hypnotic sites in Flash? Or should we stick to static, standards-compliant sites built with HTML and CSS? Author Val Head never wanted to choose. Her new book, Designing Interface Animation, celebrates how animation is finally coming into its own, and shows us what we can do with it. In this wide-ranging interview, she tells us why she loves animation so much.