Jewelry has been used for ornamentation and to denote status for thousands of years. The most universal forms of jewelry are necklaces, bracelets, rings, pins, and earrings, which have been made from materials like stones, shells, bones, and metals. Jewelry's materials and purposes have varied across cultures, with some using it for currency, function, symbolism, or protection. Today, jewelry remains influential in society and economics, with the United States currently the largest market but China and India gaining market share.