Ink and Switch's stuff always makes me want to go rebuild something, and the homepage being playable is very on brand for them. Curious how much of it is bespoke versus falling out of their own Automerge tooling.
If you'd like to rebuild a letter, we recently published the editable version of the system (which is also a Patchwork):
<a href="https://tenfold.inkandswitch.com/" rel="nofollow">https://tenfold.inkandswitch.com/
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