At that time PCs had just entered the era of chaotic, breakneck change. Prices were not falling as fast as today, but Tu foresaw that the IT industry would continue to mature in the future, that prices would drop rapidly and the entire industry chain would experience a major contraction in profits.
當時個人電腦才剛進入 10 倍速時代，跌價的速度不像今天這麼快，但杜書伍卻已預見，未來資訊產業將越來越成熟，產品價格會快速下滑，整個產業鏈的利潤也會被大幅壓縮。