Why isn't Microsoft's answer to Siri built into Windows 8?

PC World: Windows 8 is supposed to be Microsoft's majestic OS reset—a dramatic overhaul designed to usher the Windows platform into the age of mobility. And Windows 8 is also Microsoft's bid to achieve feature parity with iOS and Android, the other two OS powerhouses in the mobile universe.

But one key feature—one hot, relevant, rock-star-caliber feature—is conspicuously absent from the Windows 8 repertoire: Intelligent, semantically aware voice control is nowhere to be found in the new OS.

The story is too old to be commented.