diff --git a/exobrain.md b/exobrain.md
new file mode 100644
index 000000000..c8321feff
--- /dev/null
+++ b/exobrain.md
@@ -0,0 +1,15 @@
+# Exobrain
+
+- [[go]] https://beepb00p.xyz/exobrain/
+  - "Exobrain, or "second brain", or "brain dump" is something like public wiki where you can keep your notes, ideas and thoughts."
+  - "Other people can search in your exobrain without having to physically interact with you."
+- [[pull]] [[digital garden]] [[personal knowledge management]] [[personal knowledge graph]]
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[go]: go "Go"
+[pull]: pull "Pull"
+[digital garden]: digital-garden "Digital Garden"
+[personal knowledge management]: personal-knowledge-management "Personal Knowledge Management"
+[personal knowledge graph]: personal-knowledge-graph "Personal Knowledge Graph"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/journal/2021-01-04.md b/journal/2021-01-04.md
index 88ee004b0..9d4028c70 100644
--- a/journal/2021-01-04.md
+++ b/journal/2021-01-04.md
@@ -16,6 +16,7 @@
   - I hope to influence others so they may succeed where I'll fail.
 - [[central mid levels escalator]]
 - [[aprender de grandes]]
+- [[beepb00p]] [[exobrain]]
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [permaculture]: ../permaculture "Permaculture"