div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=looking-back-on-the-birth-of-powerpointhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Looking Back on the Birth of PowerPoint loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsnetreader031viewer202203030758e9a0751a28ab9c318b4b25html5thumbnails1jpg width=140 height=200 divdiv