https://plus.google.com/+MarcBevand/posts/9waJsLiMXfZSo it looks like Intel is developing Bitcoin mining chips! Presumably an exploratory R&D effort, but still, wow.
"Intel factories, the documents suggested, were responsible for at least two generations of 21 bitcoin mining chips,
a 0.57 w/GH 22nm FinFET chip (codenamed CyrusOne)
and a 0.22 w/GH 22nm chip (codenamed Brownfield).