Cal Henderson

@iamcal

Previously: Slack co-founder & CTO

San Francisco, CA

Cal Henderson
@iamcal
Jan 6
I've updated my 2025 reading list with the 121 books I read in the year. Highlights were The Thursday Murder Club by @richardosman, Piranesi by @susannaclarke_, The Repeat Room by Jesse Ball and Little Eyes by @sschweblin. iamcal.com/misc/reading-l…
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Cal Henderson
@iamcal
Jan 6, 2025
I've updated my 2024 reading list with the 88 books I read in the year. Highlights were Oryx and Crake by @MargaretAtwood, The Husbands by @hollygramazio and Dungeon Crawler Carl by @mattdinniman iamcal.com/misc/reading-l…
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Cal Henderson
@iamcal
Feb 12, 2024
Happy 10th birthday to Slack 🎉 Happy 20th birthday to Flickr 🎉 Time for me to take a little break 😅
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Cal Henderson
@iamcal
Jan 16, 2024
I've updated my 2023 reading list with the 105 books I read in the year. Highlights were The Future, by @NaomiAllthenews, Station Eternity by @mightymur and Titanium Noir by @harkaway iamcal.com/misc/reading-l…
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Cal Henderson
@iamcal
Sep 12, 2023
This is so much fun!
chris arvin
@chrisarvinsf
Sep 12, 2023
sf friends, here's my lil' challenge for you: what % of san francisco's street network can you name from memory? carvin.github.io/sf-street-names just start typing names and press enter :)
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Cal Henderson’s posts