"Shoppers who drank a cup of caffeinated coffee spent about 50 percent more and bought nearly 30 percent more items than shoppers who drank decaf or water."

Tom Ryan, writing recently on the website Retail Wire about the results of an international study that looked at the impact of offering shoppers caffeinated coffee as they enter the store. The post is titled, “Can In-Store Coffee Add Pep to Retail Sales?”