You don’t have to be a recently-disgraced member of the U.S. Congress to be a little freaked out about what breadcrumbs you’re leaving as you schlep around the World Wide Web. They can pretty easily be gathered and presto – you’re an instant demographic target, with preferences and interests neatly catalogued. Aside from whatever skeletons we’d like to keep safely tucked away in our closets, you can color us curious as to what our tastes…