This iPhone app for Swedish sandwich spread Kalles Kaviar not only tells you how to boil the perfect egg, it will put together a playlist that, when finished, means your egg is ready. (It's all so you can get your egg perfectly hardboiled to accompany the caviar). It's clearly a hit with caviar/egg lovers - the app has already has more than 50,000 downloads and is the third most downloaded in the free app section in the Swedish iTunes AppStore.Agency: Crispin Porter + Bogusky Europe
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