D&AD Lectures on Digital
D&AD has released a bunch of their President's Lectures for free online. You used to have to be a pom and drink weak lager to see these, but no more.
A few are on Digital Advertising, a few are on other sectors of design and advertising.
Here, Nik Roope from Poke talks about judging the Digital Installations category:
How the hell did that get in? - Digital Installations from D&AD on Vimeo.