ghostery is an extension that looks for third party “trackers” that take your data and use it to track or monitor you ghostery allows you to learn more about the trackers or block them.  to download ghostery go to and start by downloading the extention which will open up a start up page click next intill it asks you if you understand that ghostery takes and sells the information about the trackers to the site owners to make the sites safer. after agreeing you now have ghostery on your computer click on the ghost next to your search bar to check the number of trackers.