Never accidentally send an email with placeholder text again.
If you've ever written for a newspaper or magazine, you might be familiar with "TK" — a journalism shorthand for "to come" that marks placeholder text you...
Ultimate tracking machine. Unusually timely metrics. Uniquely telling moments. UTM is all and none of those things.
You know them as the junk at the end of links, the query strings that start where your domain ends, things like ?utm_source=facebook&utm_medium=social. Their...
What the hell is a UTM?
We've published a new blog post: > Ultimate tracking machine. Unusually timely metrics. Uniquely telling moments. UTM is all and none of those things. Read...
TK reminders in the editor
We've published a new blog post: > Never accidentally send an email with placeholder text again. Read it here!
Privacy, performance, and price. Pick three.
In late March, we put out an innocuous changelog entry announcing that our tracking infrastructure was now our own. The body of the entry was fairly non-...
Why we insourced analytics
We've published a new blog post: > Privacy, performance, and price. Pick three. Read it here!
How Kelly Jensen uses Buttondown
We've published a new blog post: > Kelly uses her newsletter as a space to discuss important national and local library issues, book censorship, mental...
How Jamie Thingelstad uses Buttondown
We've published a new blog post: > Jamie uses his newsletter to explore various tech topics and share his continuous technology learning journey with...
Improved filters across the app
We've overhauled the filter interface across the app, most notably on the subscribers page. It should be cleaner, easier to navigate, and allows you to...
Improved filters across the app
We've published a new blog post: > Improved filters across the app Read it here!
2026: Archives
We've published a new blog post: > How we're evolving the archives in 2026 Read it here!
Scroll sync in the editor and preview
We've added scroll sync in the editor and preview. You can enable this feature in the editor actions menu: This means that when you scroll in the editor, the...
Scroll sync in the editor
We've published a new blog post: > Scroll sync in the editor and preview Read it here!
A thousand no’s for every yes
Somewhere along the way to becoming the bestselling software suite, feature creep ate Microsoft Office. Word 1.0 was almost minimal, with only 17 commands...
Keeping feature creep at bay
We've published a new blog post: > A thousand no’s for every yes Read it here!
We've improved the security for all newsletters.
We've enabled a strict Content Security Policy on all newsletter archives to improve the security posture for all users. Our list of allowed scripts still...
Content Security Policy in archives
We've published a new blog post: > We've improved the security for all newsletters. Read it here!
Neither the first nor the fastest international connection, it was the one that lasted.
Hora inglesa, “English time” in Portuguese, is a common jab at Western punctuality in Brazil. Because, in the world’s fifth-largest country by land mass,...
A cross between a marathon and a literary block party.
It was 1999, peak dot com bubble San Francisco, a balmy July where the temperatures never hit 80°F. What better time for a picnic in Dolores park—or to...
How to add custom icons to your newsletter
Nothing says personality like a tiny little 24 pixel by 24 pixel icon. That's exactly how you can add a little bit more flair to any additional URLs that...
