Your allowed 2 people per email address, So use it. Sign up your full family. It's easy to set up a couple of hotmail email address account and sign up everyone and yer granny. Don't leave it and hope the numbers go up. Be pro active. I have signed up my family and my wife's family with there permission of course. If we can fill ibrox every second week and take 150,000 to Manchester then we can do this no problem