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Top 5 Campaign in Ecommerce · October 2026

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Top 5 Campaign

Ecommerce · October 2026

Mutant Mallows

PR Campaign

Tuesday 20th October, 2026

Rotten and XO Marshmallow teamed up to make Mutant Mallows, a limited-edition Halloween treat combining tropical punch marshmallows with Rotten’s crunchy, colourful Cruncheez candy. The playful, slightly strange mash-up gives both brands a timely collaboration to talk about, available online through 31 October.

Why it worked: A founder-to-founder collab tied to Halloween scarcity, justified by a long-missing dye‑free option, gave journalists a timely, credible hook.

The lesson: Consider pitching a limited, seasonal mash-up that solves a voiced customer gap, backed by a founder quote explaining the fix.

Rotten XO Marshmallow

1 Source:

Coverage over time

How this story spread across the media

Publication	Headline	Date
snackandbakery.com	Rotten, XO Marshmallow team up to feed ‘freaks’	Tuesday 20th October, 2026

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