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Why family data plans could make sense for you

If you don't understand the point of a family data plan for your mobile phones, CNET's Seamus Byrne explains through the medium of too many glasses of water.

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Family data plans are starting to appear, allowing a group of people to share a single pool of data across a number of devices. If you find some people in your house use all their data while others never have trouble staying under their cap, these types of plans could suit your needs.