I want my Music Telephonovision

A Liberal's Libretto has posted a link to a Library of Congress lecture by Mark Schubin, the Met's HD Über-Geek, about opera as engine for technological innovation. Okay, that sounds kind of dry in description, but in execution it's actually quite awesome. The lecture is about an hour of opera-lover's steampunk holiday, followed by a Q&A which is mostly about the technical ins and outs of HDcasting the Met, which, inquiring minds...