Ran across this article on PC Magazine by JR Rapheal on Obsolete Technology. One mentions the AOL CD in the mail. Laughed at that one.
One mentioned was the C:> I think linux users would disagree that the C:> prompt is obsolete.
here’s a link to the complete listing.
http://www.pcworld.com/article/169863/obsolete_technology_40_big_losers.html