Which product design innovation is credited with transforming GPS technology from a specialized military tool into a mainstream consumer product in the late 1990s?

In the world of inventions and discoveries, product design can transform how we interact with technology. The Global Positioning System (GPS) revolutionized navigation, but its journey from military technology to consumer product required innovative design thinking to make it accessible and user-friendly. This poll tests your knowledge about a pivotal moment in GPS product design history that helped launch it into mainstream consumer use.

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The invention of the touch screen interface for GPS devices
Garmin's StreetPilot, which introduced an intuitive map-based interface rather than coordinate-based navigation
The integration of GPS technology into mobile phones
The development of voice-guided turn-by-turn navigation