In 2015 the team found that anyone who simply visited the 100 most popular websites would collect over 6,000 cookies in his or her computer, 83 percent of which were from third parties unrelated to the website that was visited. The census found “Google tracking infrastructure” on 92 of the top 100 sites and 923 of the top 1,000 sites, concluding that “Google’s ability to track users on popular websites is unparalleled, and it approaches the level of surveillance that only an Internet Service Provider can achieve.”

