That tiny, barely conspicuous detail you saw at the start of a movie might have been an important clue for what's going to happen half an hour later. At least, it should have been, if the filmmakers are doing a reasonably good job of setting up the story. Like in these movies:

SXAV-CUIS AatALS In Dana's first encounter with ghosts in Ghostbusters, her eggs are ruined. And they're sitting on the counter right next to Stay-Puf
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