The most popular TextBrowser. Comes standard on most Unix installs.
With the advent of cell phones and palmtops, perhaps Lynx is no longer the most common text-only browser.
In my hands, http://www.usemod.com/cgi-bin/mb.pl?action=editprefs returns
Invalid UserID 111, preferences not saved. (Preferences require cookies, but no cookie was sent.)
when one tries to register preferences here using either lynx or w3m
ii lynx-ssl 220.127.116.11b-3 Text-mode WWW Browser supporting SSL ii w3m 0.3-2 WWW browsable pager with excellent tables/fr
on Debian 3.0r0 (woody)