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I think if you never used a 2in1 design, you don't know what you're missing.
I was in the apple *ecosystem* but I escaped it for the hp spectre which comes with a pen. I used all those continuity features and you can replace it with many other google, windows, facebook services etc.
I love the 2in1 concept and it just really awesome to use and the macbook pro certainly can't compete against it because it's just a laptop.

If you use iPad pro and macbook pro to go against 2in1 s you lose the simplicity of having 1 device. These continuity features is not a feature but a workaround for using 2 devices for 1 purpose. It's much more simple just using 1 device for All your needs.
 
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