LOL Joseph!
Note the Brinks armored vehicle in the lower left corner. One of the twice daily pick-ups of the days receipts at WGT no doubt. ;)
Last time I was in SF, about 3 yrs ago, I hailed 3 cabs on that very corner. The first two cabs I got in, the driver fiddled around and said "Sorry Mister, damn meter stopped working!". The third cab, same thing, meter didn't work. But this time I told the driver to clear his cash, and get rid of the cookies on his dash. Worked a treat and off we went!