How to opt out of T-Mobile's new automatic data sharing program

If you're a T-Mobile customer, you might want to check out the latest update to the carrier's privacy policy. As spotted by The Wall Street Journal this week, T-Mobile recently updated its privacy policy to let customers know that they will have to manually opt out if they don't want to be included in a program that collects their data and shares it with third-party companies. Any users who don't take action will automatically be part of the new program. As T-Mobile explains on its website, some...