March online video by the (skewed) numbers

comScore just put out their March 2008 online video report: “Number of Online Videos Viewed in the U.S. Jumps 13 Percent in March to 11.5 Billion”
YouTube clocks in at only 50.9% of unique visitors and 38% of total videos watched, which is a radically different figure than the Hitwise’s “73% market share” number. Seems Hitwise excluded all of old media’s web video offerings, like Fox and Viacom (NBC). Those outlets occupy the majority of the slots in comScore’s top 10. This doesn’t surprise me at all… I freakin’ love Hulu.
Other notable findings from March 2008 include (ed: emphasis by internetfamo.us)
* 73.7 percent of the total U.S. Internet audience viewed online video.
* 84.8 million viewers watched 4.3 billion videos on YouTube.com (50.4 videos per viewer).
* 47.7 million viewers watched 400 million videos on MySpace.com (8.4 videos per viewer).
* The average online video duration was 2.8 minutes.
* The average online video viewer watched 235 minutes of video.

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Thank goodness for competing research companies! Nothing better than data discrepancy and an explanation I can swallow!