The Big Idea Reigns Supreme
Great advertising isn't just clever, it's built on a single, compelling, and unique core concept.
Quote
A good ad is like a good joke. If you have to explain it, it's not a good ad.
Sullivan emphasizes that effective advertising hinges on a 'Big Idea' – a simple, powerful, and original concept that resonates with the audience and differentiates the product. This isn't just a catchy headline or a clever visual; it's the underlying strategic insight that drives the entire campaign. Without a strong Big Idea, an ad can be aesthetically pleasing but ultimately ineffective in communicating its message and persuading consumers. The Big Idea should be so clear that it can be articulated in a single sentence and understo...
Supporting evidence
Sullivan frequently references classic campaigns like Volkswagen's 'Think Small,' which perfectly encapsulated a unique selling proposition and Big Idea during an era of large American cars.
Apply this
Before starting any creative work, define the single, most important message you want to convey. Can you explain your core concept in one clear, concise sentence?








