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©1983 Burger King Corporation. Printed in U.S.A.
"National Switch Week" was part of an advertising campaign by Burger King in 1983, which encouraged people to "switch" to Burger King. Burger King often struggled to differentiate itself from McDonald's and other fast food restaurants and build brand loyalty from a customer base who would often choose the best value over name recognition. The "Switcher" campaign is thought to have inspired the 2002 Apple campaign of the same name, in which customers who had switched from Microsoft to Apple appeared in commercials praising the new computers.
Burger King. (1938, October). Switcher [Television commercial]. San Francisco: KRON Channel 4.