by Chris Crum We keep hearing about how huge online shopping has been in the U.S. this year. Earlier, we looked at a report from comScore indicating that online holiday spending is up to $35.billion in the U.S. for this holiday season (up to 12/25), 15% higher than the same period last year. Apparently alcohol has played some role. According to the Kenshoo U.S. retail index, U.S. retailers saw total clicks and online revenue generated by search advertising increase 24% year-over-year. Read the full article on WebProNews.com.