As you already know, Nest's alarms are smarter than regular alarms. They pair with an Android app and can provide more specific feedback than BEEP BEEP BEEP. One of their other perks is that, like many gadgets these days, they get better with time. The company is now rolling out version 2 of its mobile apps. The update is available right away, so here's what to expect once it's done installing.

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