from <a href="/en/Diary%202025-09-13">Diary 2025-09-13</a>
Design decoupled from use cases
 - <a href="/en/use%20case">use case</a> is numerous
<ul>
<li>High cost of design and implementation to satisfy a large number of use cases</li>
<li>User existence hypothesis abstracted from a small number of observed use cases
 - <a href="/en/customer%20existence%20hypothesis">customer existence hypothesis</a></li>
<li>Noise and overhead hang here.</li>
</ul>
<img src="https://gyazo.com/6b3c9dbea28c8bb4bd722ad50b09593d/thumb/1000" alt="image">
<ul>
<li>1: B communicates with X, Y, and Z at other companies to collect information<ul>
<li>thin line</li>
</ul>
</li>
<li>2: Create a community where B, X, Y, and Z can come in and exchange information with each other.<ul>
<li><a href="/en/Cross-organizational%20community">Cross-organizational community</a>
 - <a href="/en/cross%20an%20organization">cross an organization</a><ul>
<li><a href="/en/intersecting%20group">intersecting group</a></li>
<li><a href="/en/LoanDEAL%20Salon">LoanDEAL Salon</a></li>
<li><a href="/en/Govtech%20kintone%20community">Govtech kintone community</a></li>
</ul>
</li>
<li>The line will be thicker than 1.</li>
</ul>
</li>
<li>3: A, B, C become members of organizations X, Y, Z<ul>
<li>Line between A and X is thicker</li>
<li>Line between A and B gets a little thinner.</li>
</ul>
</li>
</ul>
If we ignore the pathway that ABC was originally from the same organization at stage 1, then there is no difference between 2 and 3?
<hr>
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