Why Microsoft's mobile future may depend on eSIM

[Windows Central]

Microsoft and Qualcomm's Always-Connected PC strategy has everyone talking about eSIM. But what is it? And why does it matter to Microsoft?
I've consistently advocated that despite Microsoft's smartphone debacles, the company's over-arching mobile strategy now targets a post-smartphone future consisting of pocketable, telephony-enabled PCs that are part of the cellular roadmap.

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