Before she left for school, Lilly told me that people spend time at Schaumburg Town Square on warm evenings — all of them, this time of year — playing Pokemon Go. Not long ago I took a look myself, to see if she was pulling my leg.

She wasn’t.

Among other things, Schaumburg Town Square, which includes the township library and some retail space, features a small grass-surfaced amphitheater, and the game seemed especially popular there. I watched for a while to make sure that’s what they were doing, and confirmed it for certain when I heard a couple fellows talking about it. These guys.

As The Hitchhiker’s Guide to the Galaxy said about Earth, “mostly harmless.”