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Verizon's changes to mobile web traffic limit your privacy
Do you work hard to maintain privacy on your smartphone through tools like Do Not Track? If you're on Verizon, your efforts might not be doing much good. Researchers have discovered that the carrier has been modifying some of its cellular web traffic to insert a Unique Identifier Header (UIDH) that helps create profiles for targeted ads. You can opt out of the associated ad program to avoid the sales pitches, but that doesn't turn the headers off -- a less-than-scrupulous website could still build a unique profile of your activity, whether it's for simple advertising purposes or customizing phishing attacks.
