Very cool story. But so what? The people you describe are the ones who stuck with it. The people for whom it was not working went and found something else. So y

Very cool story. But so what? The people you describe are the ones who stuck with it. The people for whom it was not working went and found something else. So you would not describe them as taxi drivers. You would describe them as used car salesman, or grocery store casheer, or simply bum on the street.