Syd lives about 3 hours south of Atlanta. Our flight out of there left mid-afternoon; since we were unsure if we'd run into to construction traffic on the Interstate we allowed plenty of time. As it turns out, we got to the airport about an hour early.
Atlanta's airport is huge; it has five concourses, with a tram that runs between them. We were departing from a gate in Concourse A, which is closest to the terminal. We chose to get on the tram and ride the short distance to our concourse. As we reached the next tram stop, since we had time to kill before our flight, we decided to ride an airport tram from one end to the other, then ride it most of the way back.
Our adventure was just like this video, repeated multiple times: