At the opening, the ripeness of the bananas varied, with the green ones spelling out one of the "Things I Have Learned In My Life So Far." The words disappeared when they all ripened; maybe they will reappear when the originally-yellow bananas turn brown.

Here's a scan that shows the next page -- a guy on the subway tries to sneak a peak with the help of a manual, but the woman crosses her legs, and he fails.

(From here, with more scans, but it's really slow.)