To compare Microsoft PowerPoint 2008 ( ) and Keynote ‘08 ( ), I used both programs to create a presentation on space exploration, starting with built-in templates and then adding some special effects. Our questions: Which program is better at each stage of the job? What are their strengths and weaknesses? Which jobs (and which users) require which tool? Tessler-our go-to expert on presentation programs-to use PowerPoint 2008 and Keynote ‘08 to create the same project, progressing from the basics (data entry and formatting) to more-advanced features. Is Apple’s iWork a viable alternative to Microsoft Office? To find out, we asked Franklin N.