What We Can Learn from the Effie Case Library 

Among the thousands of case studies in the Effie Case Library, you can find campaigns of various scales, budgets and categories. But if you look more closely, many of them share a common feature: their central idea can be explained in a single sentence. It is this simplicity that makes campaigns understandable to the consumer, easy for brands to scale and, ultimately, effective. 

Simplicity is the result of complex work

In marketing, a simple idea is sometimes mistakenly perceived as ‘too obvious’. In fact, the opposite is true. To formulate a message that anyone can understand in a matter of seconds, you need to research your audience in depth, find a strong insight and build a clear strategy.

That is precisely why Effie does not reward originality for its own sake, but rather assesses how effectively an idea delivers measurable business results. The Effie Case Library was created to showcase practical examples of marketing effectiveness and to help the industry learn from the best work.

The strongest marketing ideas can very often be explained in a single sentence

One of Effie Worldwide’s most valuable resources is the Effie Case Library – an international library containing thousands of winning case studies from different countries, industries and categories.

It is not merely an archive of competition entries. It is a resource used by marketers around the world to study successful strategies, discover new approaches and understand what exactly makes marketing truly effective.

And if you analyse these case studies, you can see a common principle.

They don’t try to say everything at once. They are very clear about the one idea people should remember. 

The crUAtivity editorial team has selected three international case studies from the Effie Case Library that vividly demonstrate how a simple idea can deliver powerful results.

Case Study No. 1: Michael CeraVe (CeraVe)

Core idea: What if people believed that the actor Michael Cera had actually created the CeraVe brand?

It was around this simple yet unexpected idea that one of the most talked-about marketing campaigns of 2024 was built.

For several weeks, the brand deliberately fuelled an absurd theory on social media that actor Michael Cera was the founder of CeraVe. Over 450 influencers joined in, discussing this ‘sensation’, while the actor himself publicly hinted at his involvement with the brand.

The climax came during the Super Bowl. In the advert, CeraVe’s team of dermatologists finally debunked the myth and reminded viewers that the brand was created in collaboration with dermatologists, not a Hollywood actor.

The entire campaign was built around a single joke and a single story, which the brand consistently developed across all communication channels. The result: over 15 billion organic impressions even before the final advert was released, and a 25 per cent in sales.

Gold Effie US 2025 – Health, Fitness & Wellness category, as well as a win in the Influencer Marketing – Products category.

Example No. 2. Dove – Real Beauty

Core idea: Real beauty is real women, not unattainable standards.

When Dove launched its Real Beauty platform in 2004, the brand did something that was almost revolutionary for its time.

Instead of yet another beauty advertising campaign, it challenged the very standards of beauty that the advertising industry had been shaping for decades. The focus of the campaign was not on professional models, but on real women of all ages, appearances and body types.

This simple idea became not a one-off campaign, but a long-term brand platform. For over twenty years now, Dove has been developing it through new stories, research and social initiatives, responding to contemporary challenges – from digital filters to the impact of artificial intelligence on perceptions of women’s appearance.

That is precisely why the brand’s new campaigns do not look like isolated advertising projects. They are an extension of a single overarching idea that remains relevant regardless of the era or technology.

One of the platform’s most recent developments was the project *The Code* (2024), which explored how algorithms and artificial intelligence shape modern standards of beauty. It was this case study that continued the *Real Beauty* story in a new digital context and became part of the platform that earned Dove yet another Effie Award.

The Real Beauty platform has won Effie Awards on numerous occasions in various countries around the world, and in 2025 it won a Gold Effie US in the Sustained Success – Products category. This category recognises brands that demonstrate effectiveness not just within a single campaign, but over many years.

Example No. 3. Snickers – You’re Not You When You’re Hungry

Core idea: You’re not yourself when you’re hungry

It was this simple idea that formed the basis of one of the most successful marketing platforms of the 21st century.

By 2010, Snickers had strong brand recognition, but it was becoming increasingly difficult for the brand to remain relevant to a broad audience. That’s when the team identified a universal human insight: when we’re hungry, we don’t behave as we normally do. We become irritable, impulsive, inattentive or even ridiculous.

And so the ‘You’re Not You When You’re Hungry’ campaign was born.

The first advert, shown during the 2010 Super Bowl, was an instant hit. In it, the legendary actress Betty White plays a young footballer who, because of hunger, behaves so awkwardly that his friends literally ‘bring him back to normal’ with a Snickers bar. After that, the character is back to his usual self.

But the real strength of the campaign lay not in a single advert. Snickers developed a simple communication platform that could be endlessly adapted to different countries, cultures and media. The formula always remained the same: people behave strangely because they’re hungry, eat a Snickers and return to their normal self. The only things that changed were the characters, the celebrities and the local humour.

That is precisely why the campaign was successful in more than 80 countries around the world, with each new market finding its own way to tell the same story. For example, the British version featuring Mr Bean demonstrates how a single global idea can be organically adapted to a local cultural context without losing its essence.

The ‘You’re Not You When You’re Hungry’ platform has won multiple Effie awards in various countries around the world. One of the case studies is featured in the international Effie Case Library, and among its accolades are the 2014 Gold APAC Effie for a multi-market campaign in Asia and the 2016 Bronze Effie US. Over the years, the platform has also won numerous local Effie awards, confirming its effectiveness across different markets.

What do the most effective case studies have in common?

An analysis of the international Effie Case Library reveals several patterns:

• one core idea;
• one clear message;
• a clear cause-and-effect relationship between the challenge, the solution and the result;
• consistency in brand development.

The complexity is usually hidden ‘behind the scenes’ – in research, analytics, media planning, personalisation or technology. But for the consumer, the campaign must remain simple and straightforward. 

Simplicity does not mean a lack of effort. Simplicity is the result of a great deal of hard work.

That is precisely why the Effie jury assesses not how complex a campaign was, but how effectively it solved a marketing problem and achieved a measurable result.

The same principle applies when writing an Effie entry. Jury members read dozens of entries during a single judging session.

Therefore, the entries that are most memorable are those where the logic is easy to follow: what challenge the brand faced, why that particular solution was chosen, and what results it achieved. The strongest case study isn't necessarily the longest one. It’s the one that allows you to quickly understand why that particular idea worked.

So, can an Effie-winning case study be explained in a single sentence? Very often, the answer is yes.

And this is precisely one of the most interesting lessons from the international Effie Case Library: simplicity is not the opposite of effectiveness. Very often, it is the very reason for it.

Entries for Effie Awards Ukraine 2026 are still open. If your campaign has delivered measurable results, now is the time to share it with the professional community. The next deadline for entries is 31 August.

Read our previous Effie Backstage article: "One case entry. Dozens of experts. No Random Decisions" 

This article is part of the Effie Backstage special project, supported by our General Partner, Kernel. We’re sharing the story of Effie and giving you a behind-the-scenes look at how the awards work, so that we can grow the future of Ukrainian marketing together.