Assembly is shutting down in a few days

h/t @timothyfcook in private email, and @rohitpaulk at #425 (comment)

www/appendices/see-also/index.spt

@@ -103,7 +103,7 @@ and [crowdsourcing.org's](http://www.crowdsourcing.org/directory)*
  - [Tipsy](http://tipsy.csail.mit.edu/) - Support the creators of content you like. Implemented as a browser extension.
  - [LaterPay](https://laterpay.net/) - Micropayments for digital content, billed in arrears
  - [[diff](./bountysource)] [Salt](https://salt.bountysource.com/) - Salaries for open-source developers, from Bountysource
- - [pivoted] [Assembly](https://assembly.com/) - Turn ideas into great products with people around the world.
+ - [discontinued] [Assembly](https://assembly.com/) - Turn ideas into great products with people around the world.
  - [NearlyFreeSpeech.NET](https://www.nearlyfreespeech.net/contribute) - Others can pay your hosting bill! ([e.g.](https://www.nearlyfreespeech.net/contribute/www.xkcdb.com))
  - [Crowd Supply](https://www.crowdsupply.com/) - Launch alongside the best of open hardware
  - [Oslantis](http://oslantis.com/) - Solve the world's most pressing problems in Open Source