Which brand holds the Guinness World Record for the 'Most people unwrapping a candy simultaneously' as part of their marketing campaign?

Marketing campaigns often strive to break records to generate buzz and publicity. This trivia tests your knowledge about a famous world record-breaking marketing campaign that set a new standard in the advertising industry. Can you identify which brand executed this extraordinary promotional feat that earned a place in the Guinness World Records?

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Cadbury (with 3,927 people unwrapping Dairy Milk bars)
Skittles (with 4,122 people unwrapping candy at once)
Mentos (with 4,651 people unwrapping mints simultaneously)
Starburst (with 4,386 people unwrapping candy during a festival)