Online shopping photo, used under creative commons license.

Online shopping photo, used under creative commons license.

It’s the biggest Cyber Monday shopping day in history.

Today, an estimated 122 million Americans planned to shop online, up from 121 million last year, according to a survey by the National Retail Federation.

“On Cyber Monday, retailers deliver online discounts unlike any other day of the year—driving consumers to shop online no matter where they are or what device they’re shopping from,” NRF President and CEO Matthew Shay said in a news statement. “Millions of consumers shopped over Thanksgiving weekend and reserved a portion of their budgets exclusively for Cyber Monday, knowing that there will be digital deals that are too good to pass up.”

Most shoppers hit the online retailers early in the morning, according to the survey and 16 percent planned to shop during lunch.

An estimated 94 percent of workers planned to bargain hunt at work on Cyber Monday, according to a survey by Austin-based RetailMeNot.

“Employees are willing to go to great lengths to find the best deals on everything from their holiday list,” Sara Skirboll, the shopping and trends expert for RetailMeNot, said in a news statement. “According to our survey, we know that many shoppers plan to spend as many as four hours looking for Cyber Monday deals.”

One if five shoppers dub Cyber Monday as the best shopping day of the year, according to the RetailMeNot survey.

“To find time for shopping, employed consumers are getting creative with their Cyber Monday browsing,” according to RetailMeNot. “Of those surveyed, nearly half (47%) will shorten their workday and leave early; 26% will take a long lunch; and 13% will go into work late.”

The big categories for discounts were for computer and electronics, up to 48 percent off, designer clothing, 43 percent off, teen clothing, 39 percent off, books and news, 33 percent off, home and garden, 31 percent off, according to RetailMeNot.

And more people than ever before will be shopping with their smartphones, tablets, laptops and other mobile devices, according to both surveys.