The near future has been used as a setting in many works, usually but not limited to the genre of science fiction. It has become increasingly common in works from the 18th century onward, with some of the classic works in the genre being Jules Verne's Journey to the Centre of the Earth (1864) and H. G. Wells' The War of the Worlds (1898). 20th century saw works such as George Orwell's Nineteen Eighty-Four (1949) or the novels of William Gibson, the latter representing the emergence of the popular cyberpunk genre. While some, particularly early, works of this genre are optimistic showcases of technological and societal progress, many others are discussing emergent social problems such as environmental problems, overpopulation, oppressive political regimes or the possibility of a nuclear hol