Gliffy - Social web 2.0 diagraming

Gliffy is an online diagraming social web application that lets you create flow charts, UI Wireframes, Floor plans, Network diagrams, or any other mind mapping you would like to do. Lately I have wondered of a barebones system using just web 2.0 applications. This will certainly be on my usage list. Check it out.

[Gliffy]