writes "web2.0collage.com uses browser history sniffing to determine what websites you visit and then creates a collage of them. While the collage is kind of nifty, it also graphically illustrates just how easy it is for people to sniff your browser history. Before you get too worried, it uses a white-list of SFW sites, so the collage will (probably) be appropriate (unless you don't want your colleagues knowing about your slashdot habits). However, just because these people play nice is no guarantee that everyone else will. Other potential benign applications including customizing bookmark-lets, but the less than benign (say advertising or even hr site) implications or troublesome. An interesting application of potentially scary technology. For slashdotters not interested in warnings or explanations, you can jump straight to the browser history sniffing"