I’ve added an Excel Events page to my web site, to list upcoming public conferences, boot camps and special events that feature Excel topics. I’m not affiliated with these events (unless noted in the description), and am listing them for information only.Â
   http://www.contextures.com/ExcelEvents.html
And this graphic represents the excitement at every Excel event that I’ve attended!

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If you prepare presentations and use slides, there are interesting ideas in Cliff Atkinson’s book, Beyond Bullet Points. As the title suggests, he warns against using slides with bullet points. Instead, he uses slides to tell a story, planning them with a storyboard technique.
The author starts by describing a presentation that used the BBP technique [...]