diff --git a/576.myco b/576.myco
deleted file mode 100644
index bd7fc27..0000000
--- a/576.myco
+++ /dev/null
@@ -1,8 +0,0 @@
-= 576
-https://wiki.c2.com/?FileSystemAlternatives
-
-> I am tired of hierarchical FileSystems. They grow into big messes over time (LimitsOfHierarchies). Let's discuss alternatives. Some have suggested using various kinds of databases so that one can query or view based on a wide variety of potentially orthogonal traits.
-
-The C2 Ancients have good ideas.
-
-P. S. Trying to save this page in Betula shows how bad and unfriendly the new “design” of WikiWikiWeb is.
\ No newline at end of file
diff --git a/643.myco b/643.myco
new file mode 100644
index 0000000..62a12a5
--- /dev/null
+++ b/643.myco
@@ -0,0 +1,3 @@
+= 643
+https://alexschroeder.ch/view/2023-09-20-web-mentions-vs-referrals
+
diff --git a/File System Alternatives.myco b/File System Alternatives.myco
deleted file mode 100644
index 275dd54..0000000
--- a/File System Alternatives.myco	
+++ /dev/null
@@ -1,8 +0,0 @@
-= File System Alternatives
-https://wiki.c2.com/?FileSystemAlternatives
-
-> I am tired of hierarchical FileSystems. They grow into big messes over time (LimitsOfHierarchies). Let's discuss alternatives. Some have suggested using various kinds of databases so that one can query or view based on a wide variety of potentially orthogonal traits.
-
-The C2 Ancients have good ideas.
-
-P. S. Trying to save this page in Betula shows how bad and unfriendly the new “design” of WikiWikiWeb is.
\ No newline at end of file
diff --git a/Web mentions vs. referrals.myco b/Web mentions vs. referrals.myco
new file mode 100644
index 0000000..d22a186
--- /dev/null
+++ b/Web mentions vs. referrals.myco	
@@ -0,0 +1,3 @@
+= Web mentions vs. referrals
+https://alexschroeder.ch/view/2023-09-20-web-mentions-vs-referrals
+