“…In parallel initiatives, browsing research has taken a strong developmental focus. Problems are resolved with tools such as overview maps of hypertext links and nodes (Hammond & Allinson, 1987), electronic bookmarks (Billingsley, 1982;Webb & Kramer, 1990), history lists (Foss, 1989), guided tours (Hammond & Allinson, 1987), "sh-eye views (Gecsiu & Martin, 1989), thumbnail sketches (Nielsen, 1990) and three-dimensional graphical techniques (Mackinlay, Robertson & Card, 1991;Williamson & Shneiderman, 1992;Rada, Wang & Birchall, 1993;Card, Robertson & York, 1996). All purport to aid the information seeker.…”