diff --git a/.obsidian-git-data b/.obsidian-git-data
index 2132f07a8..aae79c901 100644
--- a/.obsidian-git-data
+++ b/.obsidian-git-data
@@ -1,2 +1,2 @@
-Fri Jun 25 2021 18:56:07 GMT+0200 (Central European Summer Time)
-Fri Jun 25 2021 18:55:09 GMT+0200 (Central European Summer Time)
\ No newline at end of file
+Fri Jun 25 2021 18:57:07 GMT+0200 (Central European Summer Time)
+Fri Jun 25 2021 18:56:09 GMT+0200 (Central European Summer Time)
\ No newline at end of file
diff --git a/.obsidian/workspace b/.obsidian/workspace
index 490af61ef..b3e88b741 100644
--- a/.obsidian/workspace
+++ b/.obsidian/workspace
@@ -79,7 +79,18 @@
             "state": {
               "type": "markdown",
               "state": {
-                "file": "marginal syllabus.md",
+                "file": "2021-06-25.md",
+                "mode": "source"
+              }
+            }
+          },
+          {
+            "id": "980c89f10d36ef35",
+            "type": "leaf",
+            "state": {
+              "type": "markdown",
+              "state": {
+                "file": "wayback machine.md",
                 "mode": "source"
               }
             }
@@ -314,7 +325,7 @@
             "state": {
               "type": "backlink",
               "state": {
-                "file": "building annotation into browsers.md",
+                "file": "wayback machine.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -331,7 +342,7 @@
             "state": {
               "type": "outline",
               "state": {
-                "file": "building annotation into browsers.md"
+                "file": "wayback machine.md"
               }
             }
           },
@@ -387,17 +398,17 @@
     "width": 300,
     "collapsed": true
   },
-  "active": "24eff1ed32e0f862",
+  "active": "980c89f10d36ef35",
   "lastOpenFiles": [
+    "wayback machine.md",
+    "2021-06-25.md",
+    "marginal syllabus.md",
     "building annotation into browsers.md",
     "i annotate 2021.md",
-    "2021-06-25.md",
     "lightning talks.md",
     "agora bot.md",
     "digital gardens.md",
     "dan whaley.md",
-    "vera.md",
-    "agorabot.md",
-    "2021-06-24.md"
+    "vera.md"
   ]
 }
\ No newline at end of file
diff --git a/2021-06-25.md b/2021-06-25.md
index 1399be335..ffab988b8 100644
--- a/2021-06-25.md
+++ b/2021-06-25.md
@@ -1,3 +1,5 @@
 - [[agorabot]]
 	- [[agora bot]]
-- [[i annotate 2021]]
\ No newline at end of file
+- [[i annotate 2021]]
+- [[chris aldrich]]
+	- [[wayback machine]] was mentioned to support 'finding tweets about this page' now/soon
\ No newline at end of file
diff --git a/wayback machine.md b/wayback machine.md
new file mode 100644
index 000000000..9bd2778cf
--- /dev/null
+++ b/wayback machine.md	
@@ -0,0 +1,3 @@
+- a [[tool]].
+- an [[extension]].
+	- [[firefox]] 
\ No newline at end of file