If you have a website for your business and you’re wondering how well your ads are reaching prospective customers, you’ll probably want to be able to measure that to make sure that the money you’ve ...

An investigation by The Markup found that pixel collects data from many students using other websites, including high schoolers who sign up for financial aid and college testing. Then the code shares ...

This article was copublished with The Markup, a nonprofit, investigative newsroom that challenges technology to serve the public good. Sign up for its newsletters here. Picture a high school student ...