Watch 5 marketing experts debate if marketing is B.S. They discuss Twitter and Facebook, what influence really is, and why brands need to rely on a complete marketing mix. The panel is moderated by Todd Wasserman (Mashable business editor) and includes B.J. Mendelson (author), Thor Muller (co-founder of Get Satisfaction), Christian Waitzinger (executive creative director, SapientNitro) and Jeff Feldman (director of strategy, Adobe).

If Facebook users don't love ads, how should advertisers approach social media? What is the opportunity there for brands?