More useful marketing talks.
Dan Ariely discusses understanding our irrational behavior which has important implications in marketing.
Jay Ehret discusses planning your brand.
A great short Ignite talk on SEO, including why SEO is not marketing by Conrad Saam.
David Armano from Logic+Emotion discusses personal branding
Josh Bernoff shares some of the concepts from his book Groundswell which discusses leveraging social technologies in business.