For example, unless you use a privacy tool like Ghostery, Google will know your IP address, browser info, etc.</li> </ul>Website Visitors<p>Like most website operators, HackMD collects non-personally-identifying information of the sort that web browsers and servers typically make available, such as the browser type, language preference, referring site, and the date and time of each visitor request. Our purpose in collecting non-personally identifying information is to better understand how visitors use our website.