Intersting article and I am sure there are a lot more tricks and techniques than what they have discussed here. I am reminded of a book I read years ago entitled entitled How We Decide by Jonah Lehrer

6 Tricks Grocery Stores Use to Influence What You Buy

Even if you’re perfectly prepared for a grocery shopping trip, one well-laid psychological trick can leave you with a higher bill than you planned at checkout. Here are six ways that stores upsell you even on the quickest of grocery runs.


How We Decide by Jonah Lehrer