22nd February, 2:39 am Feb 22nd

I'm not great at the dialed.gg color memory/matching game, probably due to being color blind, but it's pretty fun!

This was posted on Sunday 22nd February, 2026 at 2:39 am Pacific.

Read more posts from February 2026.

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This is the personal website of Cal Henderson, Slack co-founder & CTO.

I give occasional talks, write code and sometimes articles.

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