to do so, citing a section of Title 39 that "prohibits the mailing of unsolicited advertisements for contraceptives." In 1983 the U.S. Supreme Court held that the postal service's actions violated the free speech clause of the First Amendment. Beginning in 1985 through 1987, national condom promotion campaigns occurred in U.S. and Europe. Over the 10 years of the Swiss campaign, Swiss condom use increased by 80%. The year after the British campaign began, condom sales in the UK increased by 20%. In 1988 Britain, condoms were the most popular birth control choice for married couples, for the first time since the introduction of the pill. The first condom commercial on U.S. television aired during an episode of Herman's Head on November 17, 1991. In the U.S. in the 1990s, condoms ranked third in popularity among married couples, and were a strong second among single women. Condoms began to be sold in a wider variety of retail outlets, including in supermarkets and in discount department stores such as Wal-Mart. In this environment of more open sales, the British euphemism of "a little something for the weekend" fell out of use. In June 1991 America's first condom store, Condomania, opened on Bleecker Street in New York City. Condomania was the first store of its kind in North America dedicated to the sale and promotion of condoms in an upbeat, upscale and fun atmosphere. Condomania was also one of the first retailers to offer condoms online when it launched its website in December 1995. Condom sales increased every year until 1994, when media attention to the AIDS pandemic began to decline. In response, manufacturers have changed the tone of their advertisements from scary to humorous. New developments continue to occur in the condom market, with the first polyurethane condom—branded Avanti and produced by the manufacturer of Durex—introduced in the 1990s. Durex was also the first condom brand to have a website, launched in 1997. Worldwide condom use is expected to continue to grow: one study predicted that developing nations would need 18.6 billion condoms in 2015. Etymology and other terms Etymological theories for the word "condom" abound. By the early 18th century, the invention and naming of the condom was attributed to an associate of England's King Charles II, and this explanation persisted for several centuries. However, the "Dr. Condom" or "Earl of Condom" described in these stories has never been proved