It just means that Du haven't invited anyone to Fanpop Von sending an invitation/email yet. If Du go on your profile, below the box with Bearbeiten Profile, Change Passwort etc, and above your favorites, there's a yellow box with the text "invite your friends". Just click on that box, and when you've choosen if Du want to invite Friends via E-Mail oder social networks like Facebook oder myspace, and clicked send, a message will be sent to that person with an invitation to Mitmachen fanpop. If the person accepts the invitation and joins, the little Icon will change, and instead of the number O there will be 1 on it. Read more:
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