You’re not paranoid, you really are being followed more online

“The number of trackers have increased, the ability of the top trackers to track you across sites has increased and the complexity of the trackers has increased,” said Adam Lerner, a security and privacy researcher at theUniversity of Washington in Seattle and one of the study designers.

The researchers used a unique Internet archive, the Wayback Machine, to look at third-party tracking code used on web sites over time. These-third party trackers first appeared in 1998 and their use has been rising almost continuously ever since.

A study that looked at web tracking over the last 20 years found that at least 75% of the world’s 500 most popular websites contain web trackers, up from fewer than 5% in 1998.


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