Which running shoe technology sparked controversy in 2019-2020 for potentially providing an unfair advantage in marathon competitions?

The sports footwear industry is constantly evolving with new technologies to enhance athletic performance. Major brands invest millions in R&D to create cutting-edge solutions for athletes at all levels. This poll tests your knowledge about a revolutionary development in running shoe technology that changed the competitive landscape of marathon racing. Do you keep up with the latest in sports product innovation?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

• Nike's ZoomX Vaporfly with carbon fiber plate technology
• Adidas Boost foam with titanium spring inserts
• Under Armour's HOVR with graphene-enhanced cushioning
• Brooks' DNA AMP with electromagnetic propulsion system

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