Dust was dry fine powdery material, such as pieces of dirt.


When Marty McFly bought the Grays Sports Almanac, which had a dust jacket, from the Blast from the Past antique/memorabilia store on October 21, 2015, the saleswoman mentioned dust-repellent paper during her salespitch, and also thought her customer might be interested in other dust-related antiques for sale — such as a DustBuster, for example.

Why people in 2015 would be interested in dust, as well as whether dust had somehow been entirely eradicated by this time, remains unrecorded.


See also

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