What personal data you give away when you hand out your cell phone number

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. 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.

Article URL : https://www.nbcnews.com/nightly-news/video/what-personal-data-you-give-away-when-you-hand-out-your-cell-phone-number-73250373788

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