diff --git a/flanbook.md b/flanbook.md
index b28e4f8e4..8f49d76c7 100644
--- a/flanbook.md
+++ b/flanbook.md
@@ -2,15 +2,15 @@
 
 - [[go]] https://flancia.org/mine/flanbook
   - A rough [[essay]] in [[Flancia]].
-- [[Social algorithm]] (the [[Agora]] is an open repository for social algorithms):
-  - Define central coordination entity, by default an Agora.
-  - For each useful internet platform:
+- [[procedure]]:
+  - Define central coordination entity, by default an [[Agora]].
+  - For each useful [[internet]] [[platform]]:
      - It should be open.
-     - If it's not, write down a plan to replicate it.
-     - Replicate it.
-     - Open it up.
-  - People can contribute direct work or money. The Agora assigns both transparently. 
-  - Net income (after expenses related to running the platform) goes to:
+     - If it's not, write down a [[plan]] to replicate it.
+     - [[Replicate it]] as [[free]] [[open source]].
+  - [[People]] can contribute direct work or money. 
+    - The coordination entity assigns both transparently and openly.
+  - [[Net income]] (after expenses related to running the platform) goes to:
     - [[effective altruism]], [[give directly]] and other altruistic and social reform efforts.
       - [[thought experiment]] https://twitter.com/flancian/status/1335550881933234176
     - [[users]] ([[profit sharing]])
@@ -18,12 +18,17 @@
 - [[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.
+  - Closer to $7/y likely.
 
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [go]: go "Go"
 [Flancia]: flancia "Flancia"
+[procedure]: procedure "Procedure"
 [Agora]: agora "Agora"
+[plan]: plan "Plan"
+[open source]: open-source "Open Source"
+[People]: people "People"
 [effective altruism]: effective-altruism "Effective Altruism"
 [give directly]: give-directly "Give Directly"
 [thought experiment]: thought-experiment "Thought Experiment"
diff --git a/social-algorithm.md b/social-algorithm.md
new file mode 100644
index 000000000..f5800517a
--- /dev/null
+++ b/social-algorithm.md
@@ -0,0 +1,2 @@
+# Social Algorithm
+