Remove the 'online users: n' feature. It says '0' and if it says that, I have no interest in using the product as there is no one else there to chat with. i.e.

Remove the 'online users: n' feature. It says '0' and if it says that, I have no interest in using the product as there is no one else there to chat with. i.e. you have the chicken and the egg problem and you're advertising that making it worse.