A demo works. Explaining -how- you're going to make it easy to use might be useful as well. Describe a real hypothetical user (three if possible) using the so

A demo works. Explaining -how- you're going to make it easy to use might be useful as well. Describe a real hypothetical user (three if possible) using the software. Describe in as much detail as possible, and then explain at some level how your technology will allow you to accomplish this.