US e-commerce sales up 15% in 2012

U.S. retail e-commerce sales in 2012 rose 15% from the prior year, representing the strongest annual growth rate since before the recession, according to a report from market research firm comScore Inc.

For the full-year, U.S. e-commerce sales totaled $186.2 billion. Fourth-quarter sales rose 14% from a year earlier to $56.8