Comment Thumbnails in firefox (Score 2, Informative) 241
Talking of firefox extensions this one is a must have https://addons.mozilla.org/extensions/moreinfo.php ?id=1457 It lets you see thumbnails of your open webpages.
"The number of Unix installations has grown to 10, with more expected." -- The Unix Programmer's Manual, 2nd Edition, June, 1972
