This will be used to measure how fast browser fingerprints change, but for no other purpose.</p> EFF's Use of Information from Cover Your Tracks <p> In general, EFF uses the information provided by you to further its mission, protect privacy, defend freedom, and protect your rights in the digital world.</p> <p> We may look at technical information to diagnose problems with our server and to administer the Cover Your Tracks website.</p> <p>