I recently finished a pithy little book called Sway: The Irresistible Pull of Irrational Behavior. There are lots of little ZMET-related nuggets in here. Among them:
--How discounting the price of a drink called SoBe Adrenaline Rush affected perceptions of product efficacy
--How negative feelings about old age can actually make people age faster
--Why monetary incentives can sometimes decrease motivation
--Why the labeling of military recruits can affect how their officers perceive their performance
--How the presence of just one dissenter, no matter how incompetent, can help to prevent groupthink
These are just a few of many examples sprinkled throughout this short (180 pages), highly-readable book. You can probably get through it in only a couple of sittings.
There is a website devoted to the book also. It includes previews, reviews, a blog, etc.