in review of some addons user suggest to not to use that addon because that addon track you. in review user said ;Please carefully READ the "Privacy Policy" text near the download button. The addon tracks ALL sites you visited. is this may be harmful us if some addon track us ,some lines from privacy police is following <In the course of using our site, we automatically track certain information about your online activity. This information includes the URLs you go to, what browser you are using, and your Internet Protocol (IP) address. We use your IP address to help diagnose problems with our application and to gather broad demographic information.> can tracking may be harmful for us?