Redesigning the smartphone dial pad
I really like the thumb-reach heatmaps. This has been my personal experience on larger phones as well: I should be able to &quot;thumb the numbers&quot;.<p>I don&#x27;t like a redesign because it&#x27;s simply too ingrained. It&#x27;s a sailed ship.<p>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:<p><pre><code>    ___________________________
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    |        1    2    3      |
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    |        4    5    6      |
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    |        7    8    9      |
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    |             0           |
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    |_________________________|</code></pre>