<P> The relationship between tourism companies, transportation operators and hotels is a central feature of mass tourism . Cook was able to offer prices that were below the publicly advertised price because his company purchased large numbers of tickets from railroads . One contemporary form of mass tourism, package tourism, still incorporates the partnership between these three groups . </P> <P> Travel developed during the early 20th century and was facilitated by the development of the automobiles and later by airplanes . Improvements in transport allowed many people to travel quickly to places of leisure interest, so that more people could begin to enjoy the benefits of leisure time . </P> <P> In Continental Europe, early seaside resorts included: Heiligendamm, founded in 1793 at the Baltic Sea, being the first seaside resort; Ostend, popularised by the people of Brussels; Boulogne - sur - Mer and Deauville for the Parisians; Taormina in Sicily . In the United States, the first seaside resorts in the European style were at Atlantic City, New Jersey and Long Island, New York . </P> <P> By the mid-20th century the Mediterranean Coast became the principal mass tourism destination . The 1960s and 1970s saw mass tourism play a major role in the Spanish economic "miracle". </P>

When did the hospitality and tourism industry began