Which scientific instrument company pioneered influencer marketing in the 1970s by sending free thermal cyclers to prominent researchers, leading to PCR becoming a standard laboratory technique?

In the competitive world of scientific equipment marketing, one product's innovative campaign revolutionized how researchers approached their work. This trivia question explores a famous marketing strategy that transformed a routine laboratory instrument into an essential tool found in virtually every research facility worldwide. Test your knowledge of this landmark scientific product marketing case that blended technical expertise with brilliant brand positioning.

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Perkin-Elmer with their PCR thermal cyclers
Beckman with their ultracentrifuges
Waters with their HPLC systems
Zeiss with their electron microscopes