US Digital Ad Spending to Top $37 Billion in 2012 as Market Consolidates. Google alone to account for 41.3% of total US digital ad revenues (1) A majority of G

US Digital Ad Spending to Top $37 Billion in 2012 as Market Consolidates. Google alone to account for 41.3% of total US digital ad revenues (1) A majority of Google is ~21% of total market. (2) 79% of the total market is a Majority of the Market. (3) 59% of the total market is a Majority of the Market. and so forth...