Which famous musician launched a retail technology platform called 'Humanrace' that pioneered biometric authentication for in-store purchases and personalized shopping experiences?

Famous personalities aren't just influential in entertainment and sports - many have made significant impacts in retail technology and innovation. Test your knowledge about celebrities who have launched or invested in cutting-edge retail technologies that have transformed how we shop. From mobile commerce solutions to sustainability initiatives, these famous faces are also retail tech visionaries.

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Pharrell Williams
Rihanna
Jay-Z
will.i.am