I think it was discovered by accident. When I was in school I always used to be on the computers, was looking for career kind of jobs and stumble across one of those sites claiming they can help you earn x amount of money withing hours, obviously me being a teen and not knowing much I looked into only for me to discover it was a scam. But then I started reading alot into IM and decided to give it a try.
As for my first campaign it was in the dating niche. Didn't go to well If i remember correctly. But you live and learn from your mistakes. Won't go as far as saying i am a master at IM. But working towards it