Why do you use cookies? I heard they're evil.

Cookies are used on this site so you don't have to login each time you want to edit your lists or profile. That's it. We don't use them to track your movements around the Internet, and we don't store any sensitive personal information with them. However, you should be aware that once you login, anybody that has physical access to your computer will be logged into The Listology as you. Of course, if somebody you don't trust has physical access to your machine, the safety of your Listology data is the least of your worries.