Finland mobile device maker Nokia will acquire the 52 percent of mobile operating system-maker Symbian it didn't already own from private investors Sony Ericsson Mobile Communications AB, Sweden's Telefon AB L.M. Ericsson, Panasonic Mobile Communications Co. and Siemens AG for $410 million. Nokia plans to turn the Symbian operating system into an open source software platform to rival Google's Android and Apple's iPhone OS X software. Symbian's 1,000 developers will join Nokia as employees and Symbian itself will continue as a non-profit foundation responsible for marketing the OS.

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