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In page Spam (Monty Python sketch):

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Spam makers Hormel, while never happy with the use of the word spam for junk email[citation needed], have been supportive of Monty Python and their sketch. Hormel issued a special tin of Spam for the Broadway premiere of Eric Idle's musical Spamalot based on Monty Python and the Holy Grail. The sketch is part of the company's Spam Museum in Austin, Minnesota, United States, and also mentioned in Spam's on-can advertisements for the product's 70th anniversary in 2007 – although the date of the Python sketch was incorrectly stated to be 1971 instead of 1970.[1]