You forgot to mention that even if you call a cab, and even if it shows up, someone else can just take it. The one time I tried taking a cab, we called and orde

You forgot to mention that even if you call a cab, and even if it shows up, someone else can just take it. The one time I tried taking a cab, we called and ordered one, waited outside, and then watched as it picked up a group of people up the street and drove away.