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Microsoft says “Prism” translation layer does for Arm PCs what Rosetta did for Macs
(arstechnica.com)
This is a most excellent place for technology news and articles.
Their primary money makers are what's stopping them I reckon. Apple's move to ARM is because they already had a ton of experience with building their own in house processors for their mobile devices and ARM licenses stock chip designs, making it easier for other companies to come up with their own custom chips whereas there really isn't any equivalent for x86-64. There were some disagreements between Intel and AMD over patents on the x86 instruction set too.