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Here's what you can do to prevent the carrier from tracking your mobile activity.
Twitter wants to keep a list of the apps on your device so it can tailor the app based on your interests. Check out this guide to learn how to turn off this feature.
Don't care for that car ad? Soon, Facebook will explain why it's there -- and give you the power to tune out those kinds of pitches.
You can’t stop Google from scanning your inbox or serving you ads, but you can opt out of receiving personalized ads in Gmail. And you can eliminate one prominent ad banner altogether.
Targeted ads are nothing new, but the search engine giant is about to make them a lot more personal. Here's how to keep your search criteria and other information out of the ad mix.
Mozilla's Lightbeam creates a visual map of the tracking cookies deposited on your PC by the sites you visit.
Insanely popular with kids, the question-and-answer service thrives on anonymity, making it fun and dangerous.
Why is the Internet so outraged about Yahoo scanning e-mail to improve the relevance of advertisements? This privacy flap already happened... in 2011.
"We're able to view just everything that they do," Verizon Wireless exec has boasted. Privacy groups say initiative -- including linking databases showing whether customers own pets -- may violate wiretap law.
A new "Do Not Track" policy could come out as soon as next year. So before it's too late, we need to step back and consider what's really at stake.