Millward Brown's BrandZ finds other social platforms are "social climbers" too.
IAB: Mobile advertising records fastest growth, going from $641 million in 2010 to $1.6 billion in 2011.
GroupM predicts global web ad spend will hit around $98 billion in 2012.
CP+G, AKQA, Razorfish, MRM, Brunner, and other agencies reveal spending trends.
Examines ad viewability rates from 12 major brands, across nearly 2 billion impressions.
Search and display investments both fell about 6 percent.
Borrell forecasts online and other media spending for the 2012 election.
For every dollar made in digital, newspapers are losing $7 in print ads, according to a Pew study
Democrats and Obama's campaign outspent Republicans 2 to 1.
But Google will soon catch up in the display category, eMarketer says.
Super PACs spent $5.86 million on web ads to support or oppose 2012 presidential candidates.
Digital marketing dollars to grow 23.3 percent, eMarketer says, while print spending falls.
Marin Software reported 10 percent of search ad clicks in Q4 2011 came from mobile and tablet devices.
Insurance, legal, and medical services firms slashed their search spend this year, researcher says.
Publishers no longer face the disappearance of wireless telco ad budgets.

June 6, 2012
1:00pm ET / 10:00am PT