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  The North American pop-punk band All Time Low named their 2012 album Don’t Panic, and their song ‘So Long, and Thanks for All the Booze’ is also a reference to the Hitchhiker’s series.

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  Ford Prefect’s name comes from the popular British car Ford Prefect, which the character thought was the dominant life form on Earth, and so, would be a ‘nicely inconspicuous’ name.

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  In the episode ‘The Christmas Invasion’ of the British TV show Doctor Who, the Doctor says ‘Not bad for a man in his jim jams. Very Arthur Dent. Now there was a nice man.’.

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  The Hitchhiker’s movie took more than 20 years to be produced. It is dedicated to series creator Douglas Adams, who wrote the screenplay, and died suddenly before the movie came out.

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  The English rock band Radiohead have a song called ‘Paranoid Android’, after the character Marvin.

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  If you type ‘the answer to life, the universe and everything’ into Google Calculator, you'll get the answer 42 (the same as in the series).

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  Yahoo! had a translator called BabelFish, named after the fish in the series that can translate every language in the Universe instantaneously.

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  Both Douglas Adams and his character Arthur Dent have asteroids named after them: 25924 Douglasadams and 18610 Arthurdent.