"Idea Tagging"
Okay, the average user has no idea whatsoever of what you're trying to sell. He clicks for more information.
"Allow your users to tag ideas. Top tags are optionally displayed in a tag cloud widget you can drop into your layout."
Now there's more questions than answers.
I'd suggest that you'd keep in mind these two valid concepts:
- Design for people who don't read http://www.joelonsoftware.com/uibook/chapters/fog0000000062....
- You can't tell people anything http://habitatchronicles.com/2004/04/you-cant-tell-people-an...