Comment by sharpercoder

I really like the thumb-reach heatmaps. This has been my personal experience on larger phones as well: I should be able to "thumb the numbers".

I don't like a redesign because it's simply too ingrained. It's a sailed ship.

Note that our screens are big enough to waste space to nothing, at least for a phone dial screen. So we can redesign it to:

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    |        1    2    3      |
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    |        7    8    9      |
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    |             0           |
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