Eat my slogan: getting the public to swallow pithy political messages

Everyone has always loved a good slogan or catch phrase, from Bart Simpson to Lenin. Often they are consigned almost immediately to the waste bin of history but others hit the zeitgeist tuning fork in just the right place and their reverberations have a long reach.

They can motivate us, change our behaviour and form our opinions. The good ones manage to endure for years, hanging around in the public consciousness long after they have achieved their original goal.

"Keep calm and carry on" still has a currency,  even 70 years on from the war that inspired it, although oddly enough it was never actually used at the time it was written.

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