From FedEx's famous 'negative space arrow' to the 'A - Z smile' of the Amazon wordmark, it's the double-take-worthy details that often elevate a logo to the design hall of fame. But is there really anything hiding inside the Coca-Cola logo?

The Coca-Cola logo is one of the most recognizable in the world - but has a 'subtle message' that you may not have noticed before

The iconic Coca Cola logo is easily recognised by the vast majority of people across the globe - but not everyone managed to spot the hidden 'subconscious' message within it

The Coca-Cola logo is instantly recognised by people around the world, but the iconic design also has a hidden message that you may not have realised before.

The Coca Cola logo is one of the most recognisable in the world, with its iconic red and white design and flowing script - but there's something about it you may not have realised

Coca-Cola is a worldwide brand. It's instantly recognised by its iconic red packaging and distinctive white font. That kind of famous branding "cannot be overlooked," says Richard Lau, president of LOGO.com and a prominent name in logo design and marketing ...

Cola's famous logo, but now some eagle-eyed fans of the soft drink have now noticed a 'hidden message' within the iconic branding

The company had humble beginnings, with Dr John Pemberton serving the world's first Coca Cola at Jacobs' Pharmacy in Atlanta, Georgia, back in 1886. The iconic logo followed soon

Coca Cola is one of the world's most recognisable brands, with its iconic red packaging and swirling white script - but there's a hidden message in the logo that you might not know about