Which company's logo genuinely incorporates the mathematical concept of the Golden Ratio in its design?

Test your knowledge of how mathematics has influenced major brand identities! Many companies incorporate mathematical concepts, symbols, or principles into their logos and branding to convey precision, innovation, and intelligence. From technology firms to educational publishers, mathematical elements appear in corporate identities worldwide. Can you identify which famous logo genuinely incorporates the mathematical concept described?

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Twitter (the proportions and circular arcs of the bird silhouette)
Apple (the bite taken out of the apple creates a Golden Ratio proportion)
National Geographic (the yellow rectangle dimensions follow the Golden Ratio)
TI Calculators (the angle and proportions of the red stripe in the logo)