This informal, fun guide is ideal for anyone involved in public speaking; addressing a group of people in a wide range of situations including lecturing as part of your day job, presenting research findings to your academic peers, and presenting to potential future colleagues as part of an interview process. These situations are all different, and as with many things, context is everything. Whether you're working with large or small audiences, there are basic rules for speaking that should never be overshadowed by bewildering presentation technology.