Which company first introduced a commercially viable continuous glucose monitoring (CGM) system that eliminated the need for routine fingerstick blood tests for diabetes management?

The pharmaceutical and medical device industries have transformed healthcare through groundbreaking product innovations. From life-saving medications to revolutionary diagnostic tools, these products have changed how we prevent, diagnose, and treat diseases. This trivia question focuses on a significant product innovation that altered the landscape of diabetes management. Test your knowledge about this important medical breakthrough!

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DexCom (with the DexCom STS system approved in 2006)
Medtronic (with the Guardian REAL-Time system)
Abbott Laboratories (with the FreeStyle Libre system)
Johnson & Johnson (with the OneTouch Verio system)