A spinning hollow circle is a great way to suggest the passing of time in a PowerPoint show. Susan Harkins shows you how to make this simple animation.

PowerPoint 2007 has WordArt tools that let you generate text not only in a half-circle, but in all sorts of rings, waves, slants and fades so you can morph your words into whatever shape you envision.

If you want to create a Venn Diagram in Microsoft PowerPoint, then this article will explain how you can make awesome Venn diagrams.