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Re:It looks like Intel is developing Bitcoin mining chips by ISL on Wednesday May 13, 2015 @11:21AM (#9539573)
The idea has been around for a long while. Google "data furnace".

The crux seems to be Moore's Law. We buy heaters and use them for decades, but any compute device has a useful lifetime of a few years before it's surpassed. If we ever see Moore's Law come to an end, expect to see a lot of highly-distributed computing.

Re:It looks like Intel is developing Bitcoin mining chips by TeMPOraL on Wednesday May 13, 2015 @01:55PM (#9540718)
Under these conditions, it could still work in irons or especially electric kettles. Those are so crappy nowadays, you have to buy new every two-three years anyway.
Re:It looks like Intel is developing Bitcoin mining chips by ISL on Wednesday May 13, 2015 @02:23PM (#9540947)
Unless the device is on almost all the time, it won't compete with datacenters, even on price.

Using compute for heat is a dodgy proposition even where heat is needed at least half the year. The minimal uptime of an iron or kettle really puts the kibosh on the economics.