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iamcal.com

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

  • By Cal Henderson
  • Based in United States of America
  • Roughly 16 posts per year
  • First post on

Posts per year

Data for this chart is available in the table below
Posts per year
Year starting Posts
2021 1
2022 9
2023 4
2024 16
2025 0

Any gaps could be due to errors when fetching the blog’s feed.

Most recent posts

17th December, 1:51 pm
An interactive map that shows you locations with Wikipedia pages as you scroll around? I'm extremely jealous that I never thought of this.
On , by Cal Henderson, 27 words
17th December, 1:39 pm
I missed it when it happened last year, but AWS now offers a microsecond-level global clock service that you can use for NTP/PTP. Could probably build some interesting data applications with that.
On , by Cal Henderson, 36 words
30th September, 10:15 am
If you want your webapp to paint behind the status bar at the top of an iphone, you can just add these meta tags: <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
On , by Cal Henderson, 34 words