Which retail innovation, first successfully implemented at King Kullen in 1930, revolutionized product packaging by introducing individually wrapped, branded goods with printed prices?

Before the 1930s, grocery shopping was entirely different from what we know today. Store clerks would measure out bulk goods for each customer, a time-consuming process. Everything changed with one revolutionary retail concept that transformed how products were sold, displayed, and consumed. This innovation fundamentally altered consumer behavior and created the self-service retail model we take for granted. Test your knowledge about this pivotal moment in retail history!

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The supermarket concept, which required standardized packaging for self-service shopping
The department store model, which introduced luxury packaging for upscale clientele
Mail-order catalogs, which necessitated durable packaging for postal delivery
The general store format, which pioneered branded packaging to distinguish products from competitors