Which architectural feature was first pioneered in Apple stores and has since been widely copied across retail architecture?

Apple revolutionized retail architecture when it launched its distinctive store design in the early 2000s. The company's approach to creating experiential retail spaces fundamentally changed how brands think about their physical presence. This poll tests your knowledge about the architectural innovations that made Apple stores architectural landmarks and retail success stories, transforming the customer experience through deliberate design choices.

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The floating glass staircase design, first implemented at the SoHo Apple Store in 2002
The underground retail concept, first implemented at the Fifth Avenue Apple Store in 2006
The indoor water feature, first implemented at the San Francisco Apple Store in 2004
The retractable ceiling system, first implemented at the Boston Apple Store in 2001