Well, my husband and I met on an online dating site and ended up living happily ever after.
I feel what worked in our favor is that we lived within a couple of hours of each other so we could get to know eachother face to face and date. Another factor was that we were both close to 40 and by that age we kind of had an idea of what we wanted and didnt want in a relationship. It was pretty straight forward. We lived close enough to each other but would never have found eachother if we were not online. Pretty cool, eh?