Why Japan is obsessed with 3D bubble stickers

Pokemon cards, Purikura photo booths and capsule toys all began as trends before becoming fixtures of everyday life in Japan. Now, businesses are wondering whether 3D bubble stickers could be next. The puffy stickers are surging in popularity among children and adults alike. Retailers struggle to keep them in stock as shoppers embark on "sticker patrols" to hunt for inventory and companies cash in.