Walmart might be dead serious about winning retail’s price wars, but the discount chain is reviving a lighthearted symbol to emphasize its low prices. The world’s largest retailer told 2,600 U.S. store employees gathered in Fayetteville, Ark. on Wednesday that it is reviving its once-ubiquitous “Smiley” face symbol in fliers and store signage. First introduced as a sticker by Walmart in 1990, the Smiley face was once meant to signify price cuts, or “rollbacks” in Walmart-speak. The revived incarnation is now intended to represent any low prices at the retailer. Read more at Fortune.