Def.: Black Friday 

(also Out of Home Media or Outdoor Media; abbreviations: OOH, OoH)

The so-calledBlack Fridayhas its origin in the USA. The Friday after the national Thanksgiving holiday kicks off the holiday season in retail and online trade and attracts customers with discount campaigns. Many companies use Black Friday as an opportunity for promotional campaigns.  .

Also the so-calledWalking Minds®, which are worn by promoters and allow advertising messages to "float" conspicuously above their heads. can be described as a classic Black Friday advertising medium. The glowing Walking Minds TICKER or HALO are particularly easy to spot in the darkness of November.