Reports of computer publishing magnate Bill Ziff’s imminent demise that started circulating three years ago are, we’re happy to say, greatly exaggerated, and having conquered cancer of the pancreas, he has now conquered arch-rival Pat McGovern, at least for now: according to the New York Times, his Ziff Communications Co last year took 34% of the total US computer advertising revenue of $552m, where International Data Group in Framingham Massachusetts, took 27%; in 1987, IDG led Ziff 25% to 21%; the latter is still bigger, with 1988 turnover of $419m against $350m for Ziff, because it is much stronger abroad.