I've been enjoying Mastodon a lot these past few months, and with the Twitter API shutdown I'll no longer have a way to read this site. I hope to see you all on the other side – find me at

This is enabled by the ability to embed Infinite Mac into other websites (. This blog post has few more behind-the-scenes details:

What do you want to know?.

Infinite Monkey is a somewhat silly intersection of my job and hobby: It lets OpenAI's computer use model drive an emulated Mac, based on your chat instructions. Now you can run @simonw's "draw me a pelican riding a bicycle" test in 1984's MacPaint.

is a blog post with technical details (two separate emulators are involved) and the complete collection is at

Mac OS X was released on this day 24 years ago. On this anniversary, here it is on the web: . (technically 10.1, but that’s the first release that actually worked acceptably)

New company, new corporate blog for me to post on. You can tell that it was not ghost-written because I got to cram in a lot of links to obscure articles. Tech company blog posts can paint overly rosy pictures, but Gardening Week is one of my favorite parts about working here.

Infinite Mac now has a “Macintosh Garden” drawer that allows one-click loading of any of the 20,000 items archived by that site. I wrote up a brief post with some behind-the-scenes details:

I couldn’t find a watchOS weather complication I liked so I ended up making my own app:

And to keep things in the #MARCHintosh spirit, you can use the Daydream/Darkmatter emulator to run System 7 on the emulated NeXT hardware and so have a replica of one of the more esoteric combos of the early 90s.

I’ve expanded Infinite Mac to cover NeXT operating systems, with the help of the Previous emulator. See for all releases between 1988 and 1997, and for tidbits about the porting work and other site updates.

I hadn't done much work at the CPU emulation level of Infinite Mac before, but I was able to fix a couple of bugs recently. I wrote up the process of tracking one down:

The Mac turns 40 today! . If you've curious what it looked like on its launch day, you can try it out at

The four stages of bringing up a new emulator for Infinite Mac. 1. Black screen.2. It boots.3. It loads the OS.4. It can do user input. I recently went through this with DingusPPC, this post has of the highlights:

Infinite Mac now supports custom screen sizes, you can now pretend to have a Portrait Display: Or you can have a seamless Platinum experience: has all of the options

RT @AriX: We spent a totally unnecessary amount of time building this website and I’m so excited to share it: https….

Just added a persistent "Saved HD" drive to Infinite Mac. This will hopefully help with it being an (occasionally) useful tool, though it was also an excuse to play with Origin Private File System API. Requisite blog post with technical details at

I hated the term "blog" at first and avoided using it –come a long way since then.

The Infinite Mac CD-ROM library is now officially launched!. I wrote up a post with some details of how it's implemented and other recent improvements:

Current status: studying @FieryRobot and @Arlo's Appearance Sample app ( to have era-appropriate controls in

I’m still team “if you didn’t blog it, it didn’t happen”. So here’s a post about how much Quip technology is in Slack canvas (spoiler: a lot):

A low point in 2011 was when I made a small fix and tweeted from @googlereader about it: I was told by Vic Gundotra (via a marketing person) that I cannot do that anymore, lest users get the impression that Reader is still actively being worked on.