MIT Technology Review // Ant sized computer

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Mini computer: The tiny KL02 microcontroller, made by Freescale, was created to enable swallowable wireless computers, and contains an energy efficient processor, memory, and RAM.


Read more: http://www.technologyreview.com/news/514101/wanted-for-the-internet-of-things-ant-sized-computers/#ixzz2V1JeGDvp
I wonder what operating system it runs?