diff --git a/flanbook.md b/flanbook.md
index 37e921b76..57b44d660 100644
--- a/flanbook.md
+++ b/flanbook.md
@@ -12,11 +12,12 @@
   - People can contribute direct work or money. The Agora assigns both transparently. 
   - Net profit (after expenses related to running the platform) goes to:
     - [[effective altruism]], [[give directly]] and other altruistic and social reform efforts.
-    - [[profit sharing]] with [[users]].
+    - [[users]] ([[profit sharing]])
     - [[tweet]] https://twitter.com/flancian/status/1335550881933234176
 - [[see also]] https://twitter.com/flancian/status/1298712522501926912, https://twitter.com/flancian/status/1332042059801370631.
 - [[worldbrain]] https://medium.com/@WorldBrain/you-are-worth-250-dollars-for-facebook-each-year-if-you-owned-your-data-youd-get-way-more-out-81032046411b
   - Estimates user value to [[facebook]] at $250/y.
+  - Data source seems unclear though.
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"