About 15 years ago I was part of a team of four developing a VoIP platform. When we were about to release we realized that our first customer would be upset if

About 15 years ago I was part of a team of four developing a VoIP platform. When we were about to release we realized that our first customer would be upset if they knew they were actually the first customer. So each one of us said a number and our first user had an ID similar to 1003912 :)