Why it worked
The post uses a familiar "Shark Tank" format with Mark Cuban to create an engaging narrative. The humor comes from the unexpected reveal that the seemingly outlandish idea already exists as a product, making it shareable and memorable.
Summary
This slideshow presents a fictional pitch to Mark Cuban about creating an energy drink by putting all the caffeine from an energy drink into water. The final slide reveals that such a product, Orka Energy Water, already exists.