I found out about it when looking for a way to have some extra income from ads that weren't an annoyance(As we all hate those ads) and fitted in with my little small unknown forum its theme and came across anonymousads and saw that they worked only with bitcoins so started to look into what bitcoin actually was as their way of showing ads was the way i wanted the ads on my forum to be and in the end i kinda got hooked on the whole idea of using bitcoins for things