I thought about this a while back. I'd imagine it would be better to not use DMs and just have them create an account on your site so as to not tie them togethe

I thought about this a while back. I'd imagine it would be better to not use DMs and just have them create an account on your site so as to not tie them together. I had thoughts about twitter eventually banning the account, so you'd probably need an account creation script (possibly use the handle of the account being mentioned plus _w added to the end). It would also be a good idea to add language filtering and check the tweet against a database of abusive words so as to really slow down the abuse. I thought about this as an employee feedback tool at first, but everyone could use a little anonymous constructive feedback. Keep at it, many of the problems can be solved with a little creativity. Good luck :D