"Interesting" that they're avoiding supporting HomeKit. But given that the majority of Nest owners own iOS devices, it sure feels like a slap in the face. Supporting HomeKit would allow Siri integration, but I suppose Google probably wants voice control to themselves.
http://arstechnica.com/gadgets/2014/06/ok-google-crank-the-a...
Rogers also sees the Nest Developer Program as "complementary" to Apple's recently announced HomeKit project. While HomeKit is going to allow users to control smart home devices with their iPhones and will supposedly make it easier to connect those devices to your network and to each other, Nest's API focuses on making those devices work in tandem once connected.
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"The home shouldn't be a platform war," Rogers said. "We're going to be neutral. Switzerland."