The character's popularity soon led to a vast merchandising industry, with Doraemon appearing on countless products, from toys and stationery to clothing and home appliances. The character's image was used in advertising campaigns, and Doraemon-themed restaurants, parks, and attractions were built to cater to fans. The franchise's annual revenue exceeded ¥100 billion (approximately $900 million USD), solidifying Doraemon's status as a cultural and economic phenomenon.