Black-friday was a two word term that was first used in 2005 to describe a spike in shopping 4 days after thanksgiving.
The term black-friday is a term that is used after thanksgiving. On this day there are usually spikes in the sale of products. Most especially gadgets.
On black-Friday sales, goods are usually cheaper than their normal prices. People are open to lots of special shopping deals and discounts.
It can also be referred to as a special discount or clearance day.
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