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.
Survey also shows preferences for multimedia ads.
Nearly 70 percent of Hispanic smartphone users shop with companions.
IE makes a comeback as rivals falter.
Wildfire studied 43 brands over 42 days, before and after Timeline launched.
Marin Software expects that by December 2012, mobile devices will generate a quarter of all paid-search clicks.
After several stable years, the inbox placement rate fell from 81% in the first half of 2012 to 76.5% in the second half.
IDC release new figures on tablet sales in 2011.
Women and moms dominate the blogosphere, which now includes 181 million sites and pages globally.
The Economist and National Geographic surpassed the milestone in 2011.