diff --git a/big-blue-button.md b/big-blue-button.md
new file mode 100644
index 000000000..7b6ec6508
--- /dev/null
+++ b/big-blue-button.md
@@ -0,0 +1,12 @@
+# big blue button
+
+- a [[project]]
+  - [[open source]]
+  - in [[vc space]]
+- [[go]] https://bigbluebutton.org/
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[project]: project "Project"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/doi.md b/doi.md
new file mode 100644
index 000000000..17172598d
--- /dev/null
+++ b/doi.md
@@ -0,0 +1,8 @@
+# doi
+
+- [[go]] doi.org
+
+
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[go]: go "Go"
+[//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/journal/2021-03-12.md b/journal/2021-03-12.md
index b71ac326c..ac8fb9930 100644
--- a/journal/2021-03-12.md
+++ b/journal/2021-03-12.md
@@ -7,7 +7,18 @@
   - [[read]] [[expendable]]
   - [[read]] [[open graph]]
 - chatted with [[reighleyc]] on [[matrix]]
+- [[luciana]] told me about [[doi]]
+- [[push]] [[vc space]]
+  - [[zoom]]
+  - [[meet]]
+  - [[jitsi meet]]
+  - [[big blue button]]
 
+[//begin]: # "Autogenerated link references for markdown compatibility"
+[do]: ../do "Do"
+[moa]: ../moa "Moa"
+[read]: ../read "Read"
+[expendable]: ../expendable "expendable"
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [do]: ../do "Do"
@@ -16,4 +27,9 @@
 [expendable]: ../expendable "expendable"
 [reighleyc]: ../reighleyc "Reighleyc"
 [matrix]: ../matrix "Matrix"
+[luciana]: ../luciana "Luciana"
+[doi]: ../doi "doi"
+[push]: ../push "Push"
+[zoom]: ../zoom "Zoom"
+[meet]: ../meet "Meet"
 [//end]: # "Autogenerated link references"
\ No newline at end of file
diff --git a/vc-space.md b/vc-space.md
new file mode 100644
index 000000000..fc5d37c4f
--- /dev/null
+++ b/vc-space.md
@@ -0,0 +1,4 @@
+# vc space
+
+- The [[space]] of [[videoconferencing tools]].
+
diff --git a/zoom.md b/zoom.md
index 53b62955b..593c9bca6 100644
--- a/zoom.md
+++ b/zoom.md
@@ -1,4 +1,5 @@
 # Zoom
 
 - I don't like Zoom very much. It's got worse A/V sync issues than Meet over long distances in my experience; also I can't improve Zoom myself :)
+- Zoom forces you to install a client for getting the full experience.