This microscopic addition, which initially weakened a key part of the iPhone, has helped Apple save hundreds of millions of dollars.

If I Change the Tracking Code, Will I Lose Old Data With Google Analytics?. Google Analytics tracking codes are connected to the specific Analytics account under which they are stored. This poses ...

AT&T Mobility said it would no longer add tracking codes to its subscribers' devices. That practice made it nearly impossible to keep a user's identity private on the Internet.