on-q.net
http://www.on-q.net/Stop Waiting!
A simple smart-alert application targeted for anyone (everyone) who waits in line. A powerful virtual portal for a service provider to retain customers. We as human beings have evolved to stand and wait in-line/Queue for any kind of service. We at On-Q have come up with a simple solution for this major problem and has the potential to be the google of the queue market.
Angel list: https://angel.co/company/on-q-net
Member count: 1-10