People have been making concierge companies for years. Here's one that was around Brooklyn a while back: http://www.nytimes.com/2008/12/21/nyregion/thecity/21bo

People have been making concierge companies for years. Here's one that was around Brooklyn a while back: http://www.nytimes.com/2008/12/21/nyregion/thecity/21bode.html http://www.nytimes.com/2008/12/21/nyregion/thecity/21bode.ht... You can write good dispatching software, but at the end of the day your scaling bottleneck is adding humans.