In 2013, LinkedIn exploded in popularity among professionals, but not all LinkedIn users are created equally. Below are seven levels of LinkedIn users. See if you can identify your type.

• The Absentee. “I know I have a LinkedIn account, but I have no clue what the password is. Someone set it up for me years ago.” Neither can the Absentee remember the email address she used to set up the account, making it difficult to retrieve the password. LinkedIn is beyond useless for the Absentee.