Re:Ask HN: How do I protect myself when providing freemium S...
by jsherer on Tuesday June 17, 2014 @10:36AM
(#7904643)
Automattic (the company behind Wordpress.com) open sourced[1] their legal documents with a Creative Commons license. It includes their Terms of Service and Privacy Policy. You can use these to get your moving in the right direction, but be sure to consult with your lawyer.
[1]: https://github.com/Automattic/legalmattic