https://spectrum.ieee.org/tech-history/cyberspace/the-improbable-origins-of-powerpoint
I like the end "Meanwhile, the dominant mode of personal computing globally has firmly shifted from the desktop and laptop to the smartphone. As yet, no new vision of personal computing like the one that came from Xerox PARC in the 1970s has emerged. And so for the moment, it appears that PowerPoint, as we know it, is here to stay." Aik-Siong Koh -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html