Thanks to some cold weather which makes for some favorable conditions for online shopping (Blizzard in Northeast), holiday season retail online spending is seeing a 13% increase over last year. From comScore release:

comScore a leader in measuring the digital world, today reported holiday season retail e-commerce spending for the first 56 days of the November – December 2010 holiday season. For the holiday season-to-date, $30.81 billion has been spent online, marking a 13-percent increase versus the corresponding days last year. The most recent week (week ending Dec. 26) witnessed $2.45 billion in spending, an increase of 17 percent versus the corresponding week last year.