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Coffee Joulies

Regular readers of Springwise will already be familiar with Coffee Joulies, a startup recently featured as one of our top 10 business ideas and opportunities for 2012. When we first covered the company — which produces thermodynamic stones to cool coffee when it’s too hot, and then heat it as it cools down — founders Dave Petrillo and Dave Jackson had just reached their Kickstarter target, enabling them to begin production.