You really need some sort of privacy policy (or at least some way to contact you) if you are really want people to get personal on your site.<p>If you're interested I've written some basics on creating a policy on my blog here: <a href="http://jnorthrop.me/2012/04/3/getting-your-privacy-policy-ground/" rel="nofollow">http://jnorthrop.me/2012/04/3/getting-your-privacy-policy-gr...</a>.<p>I hope the link helps, and feel free to ask any questions (my email is in my profile).