Verizon Wireless is tracking more
than just your bandwidth usage these days -- it's also spent the last
two years collecting data on your mobile web searches, the apps you use,
and the websites you visit, according to security researchers.
Many websites monitor users' web activity: Facebook recently announced plans to track users' actions between devices
and share with advertisers when an ad or promotion leads to a purchase.
Google uses cookies similarly to track users across the web, too.
But Verizon Wireless's method, which it calls a Unique
Identifier Header (UIDH), can't be deleted, unlike a cookie, and travels
across the web with users, even if customers opt out. Security and
privacy experts say this new form of tracking has potentially dire
consequences for users' online privacy.
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