Trader Joe's doesn't have to fake itRetailers spend millions each year training associates on customer interactions because repeat shoppers are heavily influenced by service quality. Many chains try to force their workers to be happy, or at least act like they're happy, while Trader Joe's workers seem to genuinely enjoy their jobs. Unlike Target's new structured greeting policy, which mandates that its frontline workers interact with customers, Trader Joe's has created working conditions where it happens naturally. "Trader Joe's hires people who are comfortable talking to customers. Target requires its employees to interact with customers.Schwemmer/ShutterstockHere's how Target's policy worksTarget recently implemented a new 10-4 program, as USA Today reported.