(Marketing Charts) ComScore estimates indicate that US retail e-commerce spending from home, work and university locations totaled $33.98 billion in Q1 2010. This represents a 10% increase from $31.03 billion in Q1 2009 and a 13% decrease from $39.05 billion in Q4 2009. The strong year-over-year acceleration marks the first time annual growth rates have hit double digits since retail e-commerce sales rose 13% in Q2 2008.

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