Opting out does not necessarily stop companies from tracking users’ information, but it does stop them from targeting those users with what are known as interest-based ads. … If users want to get rid of these targeted ads, they can click on the triangle — its size is small so that it does not use up too much valuable ad real estate — and will then be taken to a page from the advertising network that [a business] paid to place the ad. This page explains what AdChoices does and how to opt out of targeted ads. There is also a page that tells users how many advertising networks are following them …. Read More ›