diff --git a/tools for thinking.md b/tools for thinking.md
index d60814db3..95bd19e82 100644
--- a/tools for thinking.md	
+++ b/tools for thinking.md	
@@ -128,6 +128,8 @@
   - bet: innovation more likely either on [[podcast]] side or [[text to speech]]
   - [[john borthwick]] the downsides of [[silos]]
     - [[readwise]] has done a great job at getting at least [[highlight]] access
+    - [[betaworks]] did [[findings]]
+      - founders: [[spiritual predecessor]] of [[readwise]]
 
 ## [[Demo: Protocol Design for Tools for Thinking]]