Wispa took the UK market by storm after its launch, but the product was
discontinued some years later when Cadbury's cited production problems with
its innovative production technique (thought to be bars breaking on the
production line); the discontinuation was a national story and made it onto
the BBC's 6 o'clock news.
Wispa came back to the market some years later with a slightly different
formulation, but presumably was more reliable to produce. The Wispa brand
was finally discontinued by Cadbury in 2003, when the product was renamed
Dairy Milk Bubbly to capitalise on the brand equity in Dairy Milk. However,
several websites have set up petitions to bring back the Wispa.
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