I had a parking lot attendant at work who for years was always on his phone when I arrived. One day I asked him who he always talks to. He says he has another b

I had a parking lot attendant at work who for years was always on his phone when I arrived. One day I asked him who he always talks to. He says he has another business besides the parking lot. So maybe at least some of these cabs are having business calls as well. If you can hustle to be a cab driver, you can hustle in other ways as well at the same time.