Today is “Cyber Monday,” the busiest online shopping day of the year. As Mae Anderson of the Associated Press reports, retailers are expecting big things this year:

The National Retail Federation, a trade group, predicts more than 131 million people will shop online on Monday, up about 2 percent from last year.

And research firm comScore expects Cyber Monday expects sales of $2 billion, up from about $1.47 billion last year. Online sales account for about 10 percent of total holiday spending, which is expected to grow about 3.9 percent to $602.1 billion for the months of November and December.

Not too shabby, considering Cyber Monday has only been around since 2005. Of course, as we’ve shown with our annual “Top Ten Areas of Saving” report, shopping online can save you a bunch of cash every other day of the year too.