You can register anonymously if you want, with no personal information submitted. (Note: We recommend using your email address when you register an account, so we can help you if you forget your password. We will never send you emails unless we're responding to a message you send.)
We protect your privacy. Your username is never displayed with the documents you create. Your username is never displayed in full on the screen.
Your view and rewordifying settings are saved and automatically loaded when you log in, so the site works the way you want on any computer.
Your Learning Points and Learning Stars accumulate and are saved permanently. Note: You must log in for your Learning Points and Learning Stars to accumulate on your account.
You can view powerful charts that let you track details of your learning progress on the site.
You can create public documents that can be searched and read by anyone.