Profile / Features / Messaging Questions?
Guests may only use the characters a through z for their username.No uppercase, numbers, special characters, etc.Minimum length: 5 charactersMaximum length: 15 characters
You are missing out if you don't register! You'll unlock full access: enjoy unlimited messaging and groups, share media, add friends, listen to in-app radio, and customize your username without limits.
Your email address is never displayed. You don't have to use your real name, instead you use a nickname or alias to identify yourself. Guests don't supply an email at all.