Which retail innovation, first introduced by PetSmart in the 1990s, revolutionized the pet supply industry by combining traditional retail with animal welfare?

The pet and animal supplies retail sector has undergone remarkable transformations over the decades. From small local shops to massive specialty chains, the way we purchase products for our animal companions has evolved dramatically. This trivia question focuses on a pivotal retail innovation that revolutionized how consumers shop for animal supplies and helped create the modern pet retail landscape we know today.

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In-store veterinary clinics
In-store pet adoption centers in partnership with animal shelters
Animal-friendly shopping carts with built-in pet carriers
Subscription-based monthly pet food delivery service