So there I was, poking around some of the more arcane settings on my Moto G, when I stumbled across something that took me aback: an archive of every voice command I'd ever spoken to my phone.
Turns out that each time you say something to the Google Now search box, Android saves a copy of what you said in your "Voice & Audio" history. Your voice history can go back months or even years, and it includes a transcript of what you said plus a playback button, so you can relive the moment.
That's not all. Your Android device—and, indeed, all your Google accounts, mobile or otherwise—can also save a "history" of your web searches and clicks, as well as what you've searched for and watched on YouTube. Android can also save a map of where you and your phone or tablet have been, even when you weren't actively using your handset.
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