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But I believe that this kind of functionality needs to be a core function of the watch, tied into the budding iOS and Android platforms for controlling homes and cars. Samsung, which now owns an Internet of Things company called SmartThings, is already working on this, using its Tizen software platform.

Maybe this idea isn’t the one that will give the smartphone the bond you now feel for your other gadgets. There certainly are smarter people than me looking at the problem.

But something has to change. If the smartwatch can’t eventually do something smarter and more useful than it does now, it risks becoming a footnote.