What a great title. "URLs are UI." Pithy, clear, crisp. Very true. I've been saying it for years. Someone on Twitter said "this is the professional quote of 2017" because they agreed with it.
Except Jakob Nielsen said it in 1999. And Tim Berners-Lee said "Cool URIs don't change" in 1998.
So many folks spend time on their CSS and their UX/UI but still come up with URLs that are at best, comically long, and at worst, user hostile.
Search Results that aren't GETs - Make it easy to share
Even non-technical parent or partner things URLs are UI? How do I know? How many times has a relative emailed you something like this:
... read the whole story at www.hanselman.com.