It's not required that you put any additional information in your profile, but you can add:
- First Name
- Last Name
- Time Zone
- Gender
- Singleness
- Description
- Website address (can not be commercial)
- Website Name
- Instant Messenger user names (Yahoo, AOL, MSN, ICQ)
- Occupation
- Hometown
- Current City
- Country
- Interests
- Favorite Authors, Books
- Movies
- Music & Artists
You can also edit:
- your "buddy icon" (or avatar); a small 48x48 pixel picture that shows up in your profile, comments and discussion post
- your screen name
- who can see your contact information - email address