Adap.tv, another ad network, came in third with 553 million impressions and an average of 10.2 ads per viewer.

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Consequently, they calculate such pricing and usage would pressure ADAP programs.

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While the actual figures are down modestly, Hulu has been losing market share to not only Google but to other video ad properties such as BrightRoll, LiveRail and Adap.

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They noted that, while Gilead froze prices through 2013 for drugs provided to ADAPs, the drugmaker boosted prices for its meds in the commercial market, which could cause Ryan White Part B-funded co-pays and deductibles to rise and leave less funding available for ADAP ( back story).

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