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A Nielsen study shows moms are 35% more likely to shop for clothes online.
Millennial Media study: insurance brands led the way.
Infographic showing web ad spending by presidential campaigns through March 2012.
ComScore's online video rankings put Google sites at No. 1 with 146 million unique viewers.
Digital giant shows a 37 percent year-over-year increase in ad revenue.
IAB: Mobile advertising records fastest growth, going from $641 million in 2010 to $1.6 billion in 2011.
Survey also shows preferences for multimedia ads.
Nearly 70 percent of Hispanic smartphone users shop with companions.
GroupM predicts global web ad spend will hit around $98 billion in 2012.
IE makes a comeback as rivals falter.
Wildfire studied 43 brands over 42 days, before and after Timeline launched.
More than 55 million homes have a Mac, iPhone, iPad, or iPod.
Data from Applebee's and Visible suggests advertisers should reconsider demo during March Madness and alike events.
CP+G, AKQA, Razorfish, MRM, Brunner, and other agencies reveal spending trends.

May 17, 2012
1:00pm ET / 10:00am PT