Which of these movie theater innovations was FIRST widely implemented by major cinema chains in the United States?

The film exhibition industry has undergone dramatic transformations to compete with home streaming services. Major theater chains have invested heavily in technological and experiential innovations to lure audiences back to the big screen. This poll tests your knowledge of recent theatrical exhibition innovations that have changed how we experience movies on the big screen. Can you identify which groundbreaking cinema technology was adopted first?

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Reclining luxury seats with reserved seating
Dolby Cinema with dual 4K laser projection
In-theater dining with full-service meals delivered to seats
ScreenX 270-degree panoramic projection technology