Which historic mobile commerce milestone in 2007 is widely credited with revolutionizing retail by enabling true mobile shopping experiences?

The evolution of retail technology has transformed how we shop over the decades. One particularly significant shift occurred with the emergence of mobile commerce. This poll tests your knowledge about a pivotal moment in retail history that changed consumer behavior and set the stage for today's digital shopping landscape. Do you know when and how mobile commerce truly began to revolutionize the retail industry?

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The launch of Apple's iPhone, which created the first mainstream touchscreen interface suitable for mobile shopping
Amazon's introduction of their mobile app, which was the first major retailer to offer a dedicated smartphone shopping platform
The release of BlackBerry's first consumer-focused phone, which pioneered secure mobile payment processing
eBay's acquisition of PayPal, which created the first integrated mobile auction and payment system