Microsoft making a strategic investment in Move Networks, which helps deliver Web video for Silverlight-powered sites. Technically, the investment will be a follow-on to the $46 million C round Move announced last April. But it involves an undisclosed amount of new money

With the Olympics over (NBC’s video was all Silverlight, although not powered by Move), Microsoft is now focusing on the Democratic Convention Website, where Move will help to distribute the HD streams in Silverlight.

Yeah, I don’t need to see the party faithful in high-def either.