diff --git a/WeKan-Multiverse-Roadmap.md b/WeKan-Multiverse-Roadmap.md
index 97a1dd2..72db70b 100644
--- a/WeKan-Multiverse-Roadmap.md
+++ b/WeKan-Multiverse-Roadmap.md
@@ -26,6 +26,9 @@
   - Cache dependencies. Make possible coding offline.
   - Do not uglify
   - https://world.hey.com/dhh/you-can-t-get-faster-than-no-build-7a44131c
+    - Rails World Opening Keynote by DHH
+      - https://www.youtube.com/watch?v=iqXjGiQ_D-A
+      - https://news.ycombinator.com/item?id=37843951
 - How to not become slow and unresponsive after a week https://github.com/wekan/wekan/issues/5140
   - Run code like CGI, release all memory
 - Looking for most cross-platform web frameworks, supporting many different CPU, OS and database.