I know I wanted to and had to create a community if I wanted to validate anything about my concept. I have focused on primarily getting my IH community interested. Whoever follows me i would send an invite via Twitter or email. This has proved to be a great way to get the traction started. Get manual!
The conversations are getting deeper and the community is growing wider here's your invite Hackers: https://bit.ly/2Mq0D6Q