Next will be PowerPoint presentations build on one version of PP, on a particular individual computer that will not play on any other machine, even of the same brand, model line, PP version and OS.
Yes, I've seen this happen with distressing regularity. On many corpy events we now have a PP specialist whose job it is to reformat presentations to fit the projection aspect ratio (even though presenters were notified 90 days in advance), fix font issues, and remove embedded videos that rely on streaming and replace them with downloaded versions.
Next will be the fun of copy-protected embedded video that won't play because the embedded source doesn't see the HDCP token passing...