Lightbulb
The Economist2004
Lightbulb is a 2004 interactive poster for The Economist, created by Abbott Mead Vickers BBDO, London.
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Why it works
The Economist made its name in outdoor with witty copy; this poster dropped the words altogether. Abbott Mead Vickers BBDO fixed a giant three-dimensional light bulb to a plain red Economist poster in the UK and fitted it with a motion sensor, so the bulb lit up whenever someone walked underneath. Every passer-by became the person having the bright idea, while people watching from a distance saw the brand promise acted out. It is studied as a lesson in restraint and as early interactive outdoor, made before social media: one symbol, one logo and a sensor doing the work of a headline. It won a Gold Pencil for outdoor at the 2005 One Show, and in 2025 The Drum ranked it first among the world's best out-of-home ads ever, praising how much it says with almost nothing.
Techniques
- Visual metaphor A giant three-dimensional light bulb on a plain red poster stands for a bright idea, so one symbol and a logo do the work of a headline.
- Participation A motion sensor lights a giant bulb whenever someone walks beneath it, casting each passer-by as the person with the bright idea.
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