Y Combinator: Innovation Economy video (brightcove.tv)

The other videos are also good (if old), be sure to take a look e.g.

Paul Graham on Rails: Part 1: http://www.brightcove.tv/title.jsp?title=372299254&channel=29794487 Part 2: http://www.brightcove.tv/title.jsp?title=372311271&channel=29794487 Part 3: http://www.brightcove.tv/title.jsp?title=372183596&channel=29794487 Part 4: http://www.brightcove.tv/title.jsp?title=372183598&channel=29794487