Which traditional cultural practice inspired the development of the highly successful 'KonMari' retail product line by Marie Kondo?

Throughout history, cultural traditions have influenced how products are developed and marketed. Different cultures around the world have contributed unique approaches to product innovation that have transformed entire industries. This trivia question explores how traditional cultural practices have been incorporated into modern retail products, creating some of the most successful innovations in recent decades. Test your knowledge about the fascinating intersection of cultural heritage and product development!

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The Japanese concept of 'tokimeku' (spark joy) and mindful object relationships
The Swedish practice of 'döstädning' (death cleaning)
The Danish concept of 'hygge' (cozy contentment)
The Indian tradition of 'vastu shastra' (architectural harmony)