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Video cue points can be used for all sorts of things in Flash. Typical uses involve triggering other activity, such as peripheral movie clips whose animations enhance the video content, or triggering text, such as closed captions. I’ve seen some developers in the Adobe forums even use a cue point to signal that a video clip has reached its end. Strictly speaking, cue points aren’t needed for that last goal (see “How to Determine the Completion of a Flash Video (FLV) File”), but it’s certainly a possible way to go. If you’re interested in cue points yourself, but don’t know where to begin, let’s dive in.