Extended TeX: Past, Present, and Future
First time accepted submitter Hamburg writes "Frank Mittelbach, member of the LaTeX Project and LaTeX3 developer, reviews significant issues of TeX raised already 20 years ago. Today he evaluates which issues are solved, and which still remain open and why. Examples of issues are managing consecutive hyphens, rivers of vertical spaces and identical words across lines, grid-based design, weighed hyphenation points, and overcoming the the mouth/stomach separation. Modern engines such as pdfTeX, XeTeX and LuaTeX are considered with regard to solutions of important problems in typesetting." Note: When TeX was first released, Jimmy Carter was president.
When TeX was new people were not accustomed to seeing well type set documents unless they came from a legitimate publisher. I wrote several college papers in TeX and I think the presentation let me get a few mistakes past my teachers. I've not seen anything better for formulas - even today TeX documents have a more polished feel to them.
All generalizations are false, including this one. Mark Twain