By the Spring of this year, about 20 million Linux-based mobile phone handsets had been delivered to the market worldwide. This striking achievement occurred despite many experts all around constantly dismissing the idea that embedded Linux could play such a role in the market. “Linux is too big, it’s too slow and it certainly isn’t real-time, so it can’t possibly be a realistic solution,” they all said. But the fact is, through the efforts of the open source Linux community and commercial Linux suppliers such as MontaVista, Linux took the market by storm.