New School?

About a year ago, everyone in my company’s eight-person 'team' idly wrote our names on some little half-dollar-sized magnetic fish on our lunchroom refrigerator. Very kindergarten, I know. They're still there, but a few months ago someone organized the fish into two clusters on the fridge door, spaced about 12 inches apart. The one on the left has five fish, corresponding to the five of us who are still with the company, and the one on the right is three fish, representing the three employees who have left the company in the last year. I don’t know if I'm the only one who's noticed, but for about a month now every day when I come in, I see that my fish has moved a very small incremental distance toward the group on the right. Now it’s nearly reached a point equidistant from each group. I wish I knew who keeps moving it. Strange.