Black Friday is the day after Thanksgiving in the United States. It is the biggest shopping day of the year. Many stores open very early, some at midnight, to offer big discounts on various products. People often wait in long lines outside stores to get the best prizes and save money. On this day, stores can make a lot of money, which helps them stay "in the black," meaning they are productive.

The tradition of Black Friday started in the 1960s. Sellers identified that many people wanted to shop after Thanksgiving dinner. Soon, it became a huge event. Many people plan their shopping lists days before and look for advertisements that show the best offers.

Some people enjoy shopping on Black Friday because they can find great prices on electronics, clothes, and toys. Families often buy gifts for the upcoming holiday season. However, others think it is too crazy and stressful. They worry about crowds and long waits at checkout lines.

In response to Black Friday, there is a movement called Buy Nothing Day. This day invites people to not shop at all and think about their spending habits. Supporters believe that we should consider what we really need instead of buying many things just because they are cheap.

Now, online shopping is very popular on Black Friday. Many people prefer to shop from home to avoid long lines and crowded stores. As a result, it was created the "Cyber Monday," which is the Monday after Thanksgiving. That day people can find many online offers.