The link for this post uses a read-only front-end for Twitter, which can be easier to read for viewing a full Twitter thread.  The Tweet that kicked off the thread is:

> On Saturday, I sat in a crowded ballroom at Caesar's Forum in Vegas and watched [@sickcodes](https://twitter.com/sickcodes) jailbreak a John Deere tractor's control unit live, before an audience of cheering [@Defcon](https://twitter.com/defcon) 30 attendees (and, possibly, a few undercover Deere execs, who often attend Sickcodes's talks). 1/
>
> ![John Deere Tractor](https://i.postimg.cc/P5CNvFRd/image.jpg)

https://twitter.com/doctorow/status/1559202831525183489

cryptocoin

Was pleased to find that doctorow has a personal website he's sharing solo work (i.e. not, boingboing) at 

https://pluralistic.net

looks like he's also on Mastodon :) 

https://mamot.fr/@pluralistic

Doctorow's got a lot of historical context, and I'm glad he's around.