A9.com uses your Amazon.com account to identify you and shares information with Amazon.com...
Privacy advocates and big brother conspiracy theorists rejoice! They offer a cookie-disabled version at [generic.a9.com...]
The only apparent loss is the bookmarks, diary, and "this search brought to you by the color blue."
Hmm, took me five minutes to figure out that you have to drag the search result to the "bookmark" button not the "bookmark" column. Other than that, the usability of this thing is refreshing. Of course, it probably helps I have a wide monitor. Could a 15-inch monitor even show two columns?