In the 1950s, Philadelphia police used the term "Black Friday" to describe a day of chaos that ensued on the day after Thanksgiving, when mass crowds of suburban shoppers flooded the city before the Army-Navy football game held on the Saturday after the holiday every year.

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and content measurement, audience insights and product development. List of Partners (vendors)

Companies say shoppers are still buying, but they want a deal.