How Companies Use Your Cell Phone to Get Personal Information

We give out our cell phone numbers all the time, but those 10 digits also give companies a ton of information about us and how we live our lives. Information such as where you do your banking, if you go to a gym, your food preferences, favorite restaurants, clothing, types of food you buy and much more.

NBC’s Jacob Ward gives his number to a privacy expert, who is able to dig up old addresses, favorite stores and even relatives’ names.

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