Which of these revolutionary retail innovations was initially met with significant consumer resistance due to concerns about payment security and product quality?

The e-commerce landscape has transformed how we shop, but not all innovations were immediate successes. Some revolutionary retail concepts faced skepticism before changing the industry forever. This trivia question explores a pivotal moment in e-commerce history that redefined customer expectations and shopping behaviors. Can you identify which groundbreaking retail invention initially struggled to gain consumer trust but ultimately transformed the industry?

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Amazon's 1-Click ordering system (patented 1999)
Online grocery shopping with home delivery (pioneered by Peapod in 1989)
Digital gift cards (introduced by Neiman Marcus in 1994)
Store pickup for online orders (launched by Circuit City in 2001)