When I arrived on the dot (had waited in the concourse instead of entering early), the office was d-e-a-d and I was looking at those two clipboards and asked the officer if I was using the right one, and she said never mind, she was waiting for me. Honestly, no matter how much you lucked out moving your appointment up, it will kill you to see how NOT busy the office is. I left thinking they could shorten the wait time 50% if they just packed a few more appointments in every day.

The sticker BTW was still being given out when I was there Nov 1, and says "CBP".