Having premiered just weeks prior, Disney’s Frozen was a global phenomenon. On this day, "Let It Go" was officially becoming the anthem of a generation. Why 13? Psychology. Research published in late 2022 indicated that the optimal number of emotional "beats" (surprise, laughter, fear, nostalgia) for a 60-minute streaming episode is 13. Go over, and the viewer experiences fatigue. Go under, and they check their phone.
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