Blockchain Users Meetup -- share and learn: best practices, bitcoin ideas, brainstorming, troubleshooting, development, merchant services, investing, promotion, mobile application development, online sales automation, etc. We also cover other crypto-currencies and Crypto 2.0 ( Ethereum, Omni, Colored Coins, etc). This is a social, learning, and business networking group. Everyone is welcome. It should prove to be very profitable for all. We also have a Facebook Group (http://www.facebook.com/home.php?sk=group_110589392364895) and a Website (http://bitcoindc.org).