Log In Register Now Help Home Page Today's Paper Video Most Popular Edition: U.S. / Global close editionToggle Search All NYTimes.com Business Day World U.S. N.Y. / Region Business Technology Science Health Sports Opinion Arts Style Travel Jobs Real Estate Autos close searchWidget close column DealBook Markets Economy Energy Media Technology Personal Tech Entrepreneurship Your Money close column close subNavigation open abColumn cur: prev: By Peter H. Lewis Published: July 19, 1992 BURLINGAME, Calif.— Sometime around the middle of this decade no one is sure exactly when -- executives on the go will begin carrying pocket-sized digital communicating devices. And although nobody is exactly sure what features these personal information gizmos will have, what they will cost, what they ...