Monday, February 15, 2010
Missed opportunity to integrate Super Bowl TV ads with campaign. Pepsi’s biggest misstep is putting all its eggs in one basket–and not benefiting from synergies of multiple channels.

Via Owyang - Forbes: Super Bowl, A Missed Opportunity For Pepsi

This resonates with me quite strongly and matches my experience. Everything is related to everything and an integrated approach is more often than not key.