Interactive video ad formats saw a surge in popularity in Q3 2011, accounting for 61% of all ads served compared to 10% for pre-roll ads. The average click-through rate remained steady at 2.1%. New in-stream takeover formats provided up to a 4x boost in click-through rates and 43% lower close rates compared to overlay ads. Government advertising spending increased 152% due to presidential campaigns, while food service and consumer packaged goods grew 212% and 61% respectively.