Visit me at www.ellenfinkelstein.com for PowerPoint and presenting tips, my blog, my free PowerPoint Tips Newsletter, and free video training, "13 Techniques to Make Designing Your Slides EASY!" I'm the author of How to Do Everything with PowerPoint 2007 (and three earlier editions), PowerPoint for Teachers: Dynamic Presentations and Interactive Classroom Projects, and others. I've written numerous articles on PowerPoint for Microsoft.com, Inside PowerPoint, SlideShare.net, PresentationXpert, Presentations magazine, and more. I offer live and online training for teams and individuals.