One of the best storytelling techniques is to not show something. It sounds a bit contradictory, but by putting emphasis on other elements, it allows those not shown to become more prevalent or surprising.
It’s an aspect of the golden rule to “show, not tell,” and a twist on showing by showing the lack thereof. For projects early in production and development, it is obviously hard to know what isn’t being shown yet because it isn’t ready yet or what those behind the scenes don’t want to show
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