What happened on Black Friday around the country — VIDEO
Cue the bargain hunters: The Black Friday shopping marathon has begun.
Online shoppers embrace Black Friday (Reuters/Inform)
Scenes from Black Friday openings around the Las Vegas Valley. (Jason Ogulnik/Las Vegas Review-Journal)

A shopper puts televisions on a shopping cart at a Best Buy store in Westbury, New York November 27, 2015. Crowds were thin at U.S. stores and shopping malls in the early hours of Friday, initial spot checks showed, as shoppers responded to early Black Friday discounts with a mix of enthusiasm and caution. REUTERS/Shannon Stapleton

A shopper carries a Samsung television at a Best Buy store in Westbury, New York November 27, 2015. Crowds were thin at U.S. stores and shopping malls in the early hours of Friday, initial spot checks showed, as shoppers responded to early Black Friday discounts with a mix of enthusiasm and caution. REUTERS/Shannon Stapleton

People ride an escalator at Toys "R" Us Times Square store during the early opening of the Black Friday sales in Manhattan. REUTERS/Andrew Kelly

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A shopper rolls a new suitcase behind him during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A window in front of a Christmas display reflects shoppers taking a break on benches during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A line forms to enter the Tory Burch store Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A line forms to enter the Burberry store during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoppers enter the Nike store during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Cars are backed up on Bonneville Avenue as they try to park at Las Vegas North Premium Outlets during Black Friday shopping on November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Plastic bags and broken down cardboard boxes are piled up behind stores at Las Vegas North Premium Outlets on during Black Friday shopping on November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Cars are backed up on Bonneville Avenue as they try to park at Las Vegas North Premium Outlets during Black Friday shopping on November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A couple holds hands as they carry a bag during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A man jogs past a Black Friday sale sign in Saks Fifth Avenue at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Black Friday shoppers walk past a Ferrari near the food court at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoppers walk past stores during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A couple looks at the shoe section of Saks Fifth Avenue on Black Friday at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoppers walk past stores during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A woman waits to cross the backed-up Bonneville Avenue on her way to Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Men sit in the shoe department on the second floor of Saks Fifth Avenue during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoes fill a rack on the second floor of Saks Fifth Avenue during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoppers carry their haul to the parking garage during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoppers stuff their suitcases full of purchases during Black Friday at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

A line forms to enter the Michael Kors store on Black at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto

Shoppers take photos of a Ferrari during Black Friday shopping at Las Vegas North Premium Outlets on Friday, November 27, 2015, in Las Vegas. Brett Le Blanc/Las Vegas Review-Journal Follow @bleblancphoto
NEW YORK — Cue the bargain hunters: The Black Friday shopping marathon has begun.
Millions of people are participating in retail's annual event, which began again this year on Thanksgiving. And, of course, most markdowns are available online.