Which of these commercially successful products was NOT developed using biomimicry principles inspired by the natural world?

Biomimicry is revolutionizing sustainable product development by drawing inspiration directly from nature's time-tested patterns and strategies. Major retailers are increasingly turning to this approach to create more efficient, sustainable products while reducing their environmental footprint. This poll tests your knowledge of how biomimicry has influenced innovative retail products that mimic the natural world's ingenious solutions.

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

Velcro (inspired by how burrs stick to animal fur)
Speedo's Fastskin swimsuits (inspired by sharkskin)
Memory foam mattresses (inspired by butterfly chrysalis structure)
Shinkansen bullet train nose design (inspired by kingfisher beaks)