16. QuickTime

On the surface, QuickTime is a great little utility for playing movies on your Mac. I often visit www.apple.com/trailers/ to see which new movie trailer is ready for download—I click a link, and in a couple of minutes the clip is playing. (It’s amazing what you can learn about filmmaking from trailers, by the way; they’re some of the best sources for how to present ideas and images in a short time span.) Sometimes the movie appears in a window in your Web browser, while other times the QuickTime Player plays the movie.

iMovie gives you the opportunity to export your movies to the QuickTime format. In so doing, you gain a number of advantages: your file sizes become much smaller (a 1-minute clip can easily shrink from around 200 ...

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