A version of this post originally appeared onTedium, Ernie Smith’s newsletter, which hunts for the end of the long tail. If you ask the average person what the company 3M does, odds are if they have a few gray hairs hanging out on their scalp, they might say that the company makes floppy disks. Now, this was once true, but if you look on 3M’s own website, you will see no mention of this legacy—it’s a firm that sells abrasive materials, adhesive tapes, filters, films, personal protective equipmen...