You're correct; I went back and fixed it. It did come out in 1989I think you misread the ad. The pertinent paragraph is copied below.
"Since inventing the first portable data terminal in 1969, TI has led the way in packing more and more functionality into smaller and smaller products. Now TI brings you the next generation in portable computing -- the Travel
ate 2000."
That from page 37 of the Aug 13, 1990 InfoWorld.