As useful as it is to carry around miniature always-online computers in our pockets, that persistent connection sometimes comes at a cost. If, for example, you aren't using an unlimited cellular data ...

Mary-Elisabeth is an associate writer on CNET's How-To team. She's a recent graduate of UNC-Chapel Hill's English Department, and resides in Charlotte, North Carolina. On the How-To team, she covers a ...

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We’ll run you through everything you need to know in this quick guide. You’re on the wrong page if you’re an iOS user, but we also have a guide to checking mobile data usage on iPhone. Your data usage ...