Your user ID helps protect the confidentiality of your Account and enables us to verify your identity. Follow these tips to create a good user ID: Create a user ID that others can't guess but is easy for you to remember Use a combination of letters and numbers (e.g., jim14my or my2dog5is) Avoid using family or pet names, your birthday, your anniversary or your social security number Use a word you can remember, but replace some of the letters with numbers (e.g., s1cr1t) Your user ID must be 6–16 characters and can contain any character found on your computer's keyboard except spaces. As an added security measure, your user ID and password cannot be the same.