Mar 1989 First proposal
Oct 1990 Start coding in NeXTStep
Dec 1990 Editor running
Aug 1991 Line mode browser alt.hypertext
Oct 1991 Demo NextStep WWW.app at HT91 San Antonio
1992 Erwise, Viola Gopher still preferred
1993 Cello, Mosaic Serious traffic increase
Tim BL, MIT & CERN. ECHT94