I'm not sure this works as a website (the copy/paste/email cycle is probably too much effort for interactive editing.). But if it was an Excel add-on of some k

I'm not sure this works as a website (the copy/paste/email cycle is probably too much effort for interactive editing.). But if it was an Excel add-on of some kind I bet you could sell it. Maybe to Microsoft. Or, sell the underlying technology to Google Docs. It's got a wow factor that could inspire upgrades or switching. Anyway I doubt you hadn't thought of that already. Cool stuff.