How to make decisions Just a brief mention of the item on Colley's Rule (or Collee's Rule), in my Consuming Experience blog - on a simple, apparently mathematically proven, method of making the optimal decision when faced with a situation where you can't go back to a previously-rejected choice.

Should work in areas other than choosing products or services, so it could have gone in this blog equally well!
  ¶ 11:46 PM