One of my tasks at my job is to develop and maintain technical presentations. In the past I’ve stored these presentations on Google Drive in Apple’s Keynote format. Keynote, like many office suite applications, stores its files as big, fat binary blobs. When multiple people modify a presentation and attempt to update it, you get problems. People silently clobber each other’s changes.
This annoyance isn’t unique to Keynote. PowerPoint and other formats suffer the same problem. While PowerPoint theoretically has an XML-based file, it’s wrapped in a Zip, so there’s no practical way to merge changes at the file level.
Another problem with Keynote is that while there are slide masters, the stuff that gets pasted into a slide has to be carefully formatted. WYSIWIG is great and awful at the same time. Stuff that gets pasted into a slide has to be formatted with love. This usually means that while the master is consistent, the contents often diverge in format: spacing is a little off, font choices go off-brand, and colors go wild.
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