the 1994 film Forrest Gump, title character Forrest is jogging down the street when a T-shirt salesman approaches him, asking him to put his face on T-shirts as inspiration to people. While the men are jogging, a truck splashes mud into Forrest's face, and the salesman gives him a yellow shirt to wipe the mud off. Forrest rolls up the shirt and hands it back, saying "have a nice day". Unrolling the shirt, the man finds a smiley face outlined on it. Thus the film credits Forrest Gump with inventing the Smiley logo and the have a nice day slogan. In September 2005, Bon Jovi released the album Have a Nice Day. The album cover contains a red smiley face which guitarist Richie Sambora stated echoes its title song. Sambora explained that "It's [like] 'Have a nice day; get out of my face'—therefore the smirk. To me, it's much more of a Clint Eastwood 'Have a nice day' than a smiley face 'Have a nice day.'" Usage The phrase "have a nice day" is typically spoken by service employees or clerks to customers at the end of a transaction. A mercantile method of expressing "thank you" as in "thank you for shopping with us" or "thank you for using our service", it is commonly used among people in the United States and by retailers in New Zealand and elsewhere. In the 1970s, the American supermarket chain Kmart opened a store in Brisbane, Australia. The workers were trained to say, "Thank you for shopping at K-Mart. Have a nice day." Other versions of "have a nice day" are "have a good one" and "have a nice one." The phrase was universalized after 1950 by truck drivers conversing on their CB radios. Scientific studies indicate that people who regularly smile are more likely to say "have a nice day". The phrase can have passive–aggressive connotations, and can be caustically used to end transactions with abusive customers. The speaker may also use the phrase ironically, in either a purposeful or unintentional manner. Roly Sussex of The Courier-Mail wrote that "have a nice day" can sound "a touch brusque" in comparison with "you have a nice day". Deeming the word "you" as moderating the imperative, Sussex stated that the word "you" causes the phrase to seem like a mixture of a command and a hope. He wrote that using "you" in imperatives is more