Black Friday Shopping Kicks Off in the US

Bonnie Quinn reports from Macy's in Midtown Manhattan on Black Friday, highlighting the customer turnout despite cold weather. She notes the changing trends in Black Friday shopping, with many deals available online, yet a significant number of customers still visiting stores. Retailers like Target and Walmart are competing fiercely for consumer dollars, especially with a shorter holiday shopping season this year.

What are some of the retailers mentioned that are competing for customers?

What change in the holiday shopping calendar is noted in the text?