88% of buyers plan to buy via RTB in 2011, up from 75% last year.47% of media buyers say that the benefits or RTB will increase their overall digital advertising budget this year (16% said it would not, 37% were unsure).Spending on RTB is quickly moving out of the "test budget" range: 79% of buyers estimate that more than 10% of their digital display budgets will go to RTB in 2011. 33% estimate that 50% or more of their digital display budget will go to RTB. And 7% estimate 90-100% of their digital display budget will go to RTB.29% of media intermediaries (such as DSPs, ad networks, and exchanges) anticipate their volume of real-time bidding will increase by 100% or more versus last year. 19% believe it will go up by at least 200%. More formats are moving to RTB: 34% of buyers say they are extremely or very likely to purchase rich media ads via RTB this year, 32% are extremely or very likely to purchase dynamic creative ads via RTB, 20% are extremely or very likely to purchase mobile display ads via RTB, 18% are extremely or very likely to purchase in-stream video via RTB and 14% are extremely or very likely to purchase mobile rich media via RTB.Nearly half (48%) of publishers surveyed say they plan to increase the amount of inventory they will make available via RTB. 28% are still deciding. Only 24% said they were not planning to increase RTB inventory.