According to a study by Extreme Reach, the number of commercials delivered in High Definition in the US has increased by up to 50%. According to Extreme Reach, HD ads accounted for only 10% of all ads distributed by advertisers to broadcast and cable media outlets in 2010. However, that number has doubled in 2011. Extreme Reach lists reduced distribution costs, better penetration of HD broadcasters and better campaign execution as the reasons for the increase.

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