Pretty cool, from eWeek:

The Obama inauguration was the most viewed live video event in Internet history. CNN.com broke its old record of 5.3 million live video streams, set on election night in 2008, by serving up more than 25 million live video streams globally, CNN says. Akamai, which has about 2,800 enterprise customers, including the New York Times, Wall Street Journal and Viacom Web sites, reports a peak of 7 million active simultaneous streams at the coverage’s zenith.

via eWeek: ISPs Report Record Video Traffic During Inauguration.

I briefly watched it on my PC at work via our local multicast streaming TV installation deployed throughout the hospital, before heading home for lunch to finish watching it there.