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These days, many people use their phones while driving. No, most don't text and drive; that would be stupid. Instead, drivers often use their phones for GPS directions that help save time and gas (one of the ways GPS tech is helping save the environment ). If you step into a rideshare, you've probably noticed your Uber driver uses Google Maps instead of Uber's own navigation . You've also probably noticed many often use two phones at once, and the reasons vary based on personal preferences.

Let's start with the Occam's razor answer: Some drivers use one phone for personal use and the other for their work. While the "main" phone is reserved for rideshare apps to scout for and accept ride requests, the personal one is freed up for entertainment and texting — especially during downtime.…