If you embed screen recordings (i.e., screencasts) into a Keynote or PowerPoint presentation, rule #1 is that your audience has to be able to see your screencast for it to be effective. If you are recording from a device with a Retina display, you might find that application windows sometimes become unreadable when later displayed with lower-resolution projectors. Images and text just become too small. While you can fix this by adjusting your monitor’s resolution either in settings or with third party apps1, my preferred solution is to use a Mac app called BetterSnapTool.

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