What were some of your likes and dislikes of this software?

Think of a process–it could be as simple as making a peanut butter and jelly sandwich, or changing a light bulb.  Using Gliffy (http://www.gliffy.com) create a flowchart for your process.  What were some of your likes and dislikes of this software?  Is there a program you prefer better? What is the purpose of diagramming a process and why is it important to have an understanding of this from a management perspective?