How prevalent is the use of tracking cookies that get planted on your computer after browsing a website so it can keep track of what you’re doing? Turns out that not only do the major websites like to plant their own tracking cookies on you, they’re also happy to stick a lot of third-party cookies on you, too.
According to Keynote Systems, an analysis it did of online behavioral tracking on 269 top websites across four industries — “news & media,” “financial services,” “travel & hospitality,” and “retail,” — showed that 86% of the sites place one or more third-party tracking cookies on their visitors.
