iWork '08 is a significant upgrade to its productivity software suite featuring new versions of Pages and Keynote word processing and presentation applications, and introducing a new spreadsheet application called "Numbers." Numbers introduces the concept of intelligent tables on a flexible canvas, a new approach that makes it easy to organize information, create calculations, analyze results and make spreadsheets look as great as they work. Pages '08 now features distinct modes for streamlined word processing and flexible page layout, a new contextual format bar and change tracking, and Keynote '08 now includes text effects, transitions and themes that help users easily compose spectacular presentations, and Smart Builds with easy-to-set-up A-to-B animations that make impressive animations easy for anyone to create.