if you're of certain minority groups, the cab experience was: 1. Go outside 2. Put your hand up 3. Never get a taxi > Most of the time cab come This got

if you're of certain minority groups, the cab experience was: 1. Go outside 2. Put your hand up 3. Never get a taxi > Most of the time cab come This got really bad in many cities because of a cycle: If the rate of dispatched cabs get low enough, people make multiple requests to the dispatchers, so more than one cab would go to the spot, and you take whichever cab gets there first and the rest are "dropped". So the other cabs can't service dispatch requests, the servicing rate drops, so that further incentivises multiple request...