Millions, and they are people who have already demonstrated a great desire for uncensored discourse. On that level, it wouldn't take too much to convince anyone to give HIVE a try, but the cryptocurrency aspect could be more of a challenge to explain. The fact that we are still small is another hurdle to overcome. Nevertheless, the "numbers" are more than enough to statistically guarantee that there are people over there who will decide to give HIVE a go once they know about us. It's statistically guaranteed! We just need to get in front of them!
RE: Zero HIVE