your computer is tracking all your actions and stores the evidence into your hard disk. anyone else can see where you have been on internet and the images, movies you have seen, even everything you did on your computer would leave trace on your computer. perhaps you stumbled onto one or two adult web sites. perhaps by accident. perhaps on purpose. and you don't want your husband/wife, dad/mom, boss/colleague or anyone else to know you've been there. you can clear your history or empty your cache files in your browser's settings, but it will not protect you. how to protect your privacy, keep your surfing private? evidence eliminator is a great privacy tool to protect you with only one click ,you can erase all the tracks safely and completely .