CollabCulture

Collaborations are the world's best marketing opportunity.

They are a cheap way for artists to get new attention and energy by bringing together different fandoms.

They appeal to novelty obsessed consumers.

https://www.bbc.com/worklife/article/20240312-the-unhinged-product-mash-ups-that-sell-out-in-hours

In a sense this is the same as SocialOriginOfGoodIdeas. They are spanning "structural holes".