diff --git a/560.myco b/560.myco
deleted file mode 100644
index 4d4712c..0000000
--- a/560.myco
+++ /dev/null
@@ -1,4 +0,0 @@
-= 560
-https://links.bouncepaw.com/#ZgotmplZ
-
-Solderpunk came up with a different way of portraying the future of humanity in sci-fi. Slowly move everybody to one continent. Most people live in 50 megacities. We live and degrowth as long as we can. A fun concept. I myself like space conquering more, to be honest. Maybe combine the two?
\ No newline at end of file
diff --git a/624.myco b/624.myco
new file mode 100644
index 0000000..c0ef631
--- /dev/null
+++ b/624.myco
@@ -0,0 +1,4 @@
+= 624
+http://elixir-lang.org/blog/2023/09/20/strong-arrows-gradual-typing/
+
+Elixir is getting set-theoretic type system!
\ No newline at end of file
diff --git a/One billion, one continent.myco b/One billion, one continent.myco
deleted file mode 100644
index d25ec1b..0000000
--- a/One billion, one continent.myco	
+++ /dev/null
@@ -1,4 +0,0 @@
-= One billion, one continent
-https://links.bouncepaw.com/#ZgotmplZ
-
-Solderpunk came up with a different way of portraying the future of humanity in sci-fi. Slowly move everybody to one continent. Most people live in 50 megacities. We live and degrowth as long as we can. A fun concept. I myself like space conquering more, to be honest. Maybe combine the two?
\ No newline at end of file
diff --git a/Strong arrows: a new approach to gradual typing - The Elixir programming language.myco b/Strong arrows: a new approach to gradual typing - The Elixir programming language.myco
new file mode 100644
index 0000000..cc3f180
--- /dev/null
+++ b/Strong arrows: a new approach to gradual typing - The Elixir programming language.myco	
@@ -0,0 +1,4 @@
+= Strong arrows: a new approach to gradual typing - The Elixir programming language
+http://elixir-lang.org/blog/2023/09/20/strong-arrows-gradual-typing/
+
+Elixir is getting set-theoretic type system!
\ No newline at end of file