Research from retail analysts Circana shows shoppers are three times more likely to make impulse purchases in person than online. " (Stores) are very hungry for Black Friday to do well," said Marshal Cohen, chief retail advisor at Circana.

Some experts have predicted Black Friday may become a thing of the past as early sales and e-commerce take over current shopping trends.

After weeks of plugging increasingly inviting discounts, retailers in the United States and several other countries are preparing for prime time