UX Metrics: Identify Trackable Footprints and Avoid the Woozles

One of my favorite childhood stories comes from A.A. Milne’s Winnie The Pooh. It’s a story in which Pooh and Piglet set out to hunt a Woozle.

At the start, Piglet comes upon Pooh wandering through the 100-Acre Woods and joins him for the stroll. Pooh shows Piglet footprints in the snow that he’s following, which he believes are the tracks of a Woozle…