comScore, a leader in measuring the digital world, reported U.S. retail e-commerce spending for the first 26 days of the November – December 2010 holiday season. For the holiday season-to-date, $11.64 billion has been spent online, marking a 13-percent increase versus the corresponding days last year. Black Friday (November 26) saw $648 million in online sales, making it the heaviest online spending day to date in 2010 and representing a 9-percent increase versus Black Friday 2009. Thanksgiving Day (November 26), traditionally a lighter day for online holiday spending, achieved a strong 28-percent increase to $407 million.