Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. I took ...

One of the oldest uses for smartphones was using the microphone to tune your guitar. Granted, it wasn’t all that great but it did work in a pinch. These days, guitar tuner apps are far better than ...

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