Andreas
The two reasons you provide (friction and immersion) are part of why the voice interface is the next big thing — and why Apple is at a structural competitive disadvantage:

While the article above discusses Apple and AR, the following delves deeper into wearable, the voice interface, and disruption:

Annotote is the most frictionless way to get informed and inform others

Of course, the free and open web is prone to beg, borrow, and steal your attention. Reading blogs, news, and research has always been an inefficient user experience — like finding needles in haystacks — but now Annotote is the antidote, so check it out: Don’t waste time or attention; get straight to the point.

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“Perfection is achieved not when there is nothing more to add, but when there is nothing left to take away...” 👉 http://annotote.launchrock.com