On Feb 28, 2008, at 8:40 PM, [log in to unmask] wrote: >> [mailto:[log in to unmask]] On Behalf Of Mark J. Reed > >> Ans who else remembers light pens, the poor man's touch screen? :) > > Had one. I had one too, for my Commodore 128. I think it cost $70 in the late '80s. I loved it, especially to draw with, and have often wondered why they didn't really catch on, but I guess it might be (as Wikipedia says) the ergonomic problems involved.