I think that one of the points of the article is that PowerPoint presentations have taken over from technical reports and briefings. Instead of having a written

I think that one of the points of the article is that PowerPoint presentations have taken over from technical reports and briefings. Instead of having a written report with data (with figures) and then a subsequent briefing to go over the findings, we are left with presentations that try to do both: present data and explain it. So if the alternative to PowerPoint is better, more technical, reports -- I'm all for it.