text: If he has access to your computer, then he could look at your internet history - you can clear this information by pressing shift-delete in Firefox, or by delving into the internet options in IE somewhere.\n\nIf he does not have access to your computer, then no, it is not possible for him to find out what you've been up to.  Some companies have systems that track all sites you visit - but they have to make you aware of that.  Residential internet service does not have this capability.