…all too often!
Professor Solomen’s new book: How to Find Lost Objects.
Principle one:

Something’s lost, and your first thought—your basic instinct—is to look for it. You’re ready to start rummaging about. To hunt for it in a random, and increasingly frenetic, fashion. To ransack your own house.
This is the most common mistake people make.
And it can doom their search from the start.

See, you and I both learned something right away. Tonight, I will read through the rest of his Twelve Principles.
Via boingboing.