In a world obsessed with tidying, professional organizers like Marie Kondo are a rising commercial force.
In a restaurant where the ceiling is a work of art and the books on the shelf are arranged by color, eBay is holding a promotional event for its new service, eBay Valet. On the tables—around which sit guests from magazines like InStyle and Redbook—are tiny, beautifully illustrated booklets of flashcards featuring organizing guru Marie Kondo’s tips for tidying kids’ stuff, “exclusive to eBay.”