While communication with my investors and advisors is really important, I really hope this (or a related) tool can help guide the customer development process. I would definitely pay for that (And signed up for the beta hoping that will be the case).
I'll definitely be using this to blog about my new social media content discovery site I've been hacking at called <a href="http://upvot.es/" rel="nofollow">http://upvot.es/</a>.