comScore (NASDAQ : SCOR), a leader in measuring the digital world, today reported holiday season retail e-commerce spending for the first 33 days of the November – December 2010 holiday season. For the holiday season-to-date, $16.8 billion has been spent online, marking a 12-percent increase versus the corresponding days last year. The most recent week saw four individual days eclipse $800 million in spending, led by Cyber Monday, which became the heaviest online spending day on record at $1.028 billion. Tuesday, November 30 reached $911 million, making it the third heaviest online spending day on record, while Wednesday ($868 million) and Thursday ($850 million) also reached high levels, although growth rates for the season subsided in the latter half of the week.

To read the full press release, please visit: http://www.comscore.com/Press_Events/Press_Releases/2010/12/Cyber_Monday_Hangover_U.S._Online_Spending_Growth_Softens_After_Strong_Early_Week_Performance let me know if you have any questions or would like to speak with an analyst.

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Thank you,
Andrew Lipsman
comScore, Inc.
press@comscore.com
+1 312-775-6510