diff --git a/500.myco b/500.myco
deleted file mode 100644
index d4cd72c..0000000
--- a/500.myco
+++ /dev/null
@@ -1,3 +0,0 @@
-= 500
-https://techblog.kozminski.edu.pl/2019/11/19/cicada-3301-the-biggest-riddle-of-the-internet/
-
diff --git a/563.myco b/563.myco
new file mode 100644
index 0000000..b66f322
--- /dev/null
+++ b/563.myco
@@ -0,0 +1,3 @@
+= 563
+http://ln.hixie.ch/?start=1691780719&count=1
+
diff --git a/564.myco b/564.myco
new file mode 100644
index 0000000..ec4f8ed
--- /dev/null
+++ b/564.myco
@@ -0,0 +1,4 @@
+= 564
+https://www.marginalia.nu/log/84_life_in_1080p/
+
+Too big of a screen might end up with unproductivity.
\ No newline at end of file
diff --git a/Cicada 3301. The biggest riddle of the internet. | Kozminski Techblog.myco b/Cicada 3301. The biggest riddle of the internet. | Kozminski Techblog.myco
deleted file mode 100644
index a63db0d..0000000
--- a/Cicada 3301. The biggest riddle of the internet. | Kozminski Techblog.myco	
+++ /dev/null
@@ -1,3 +0,0 @@
-= Cicada 3301. The biggest riddle of the internet. | Kozminski Techblog
-https://techblog.kozminski.edu.pl/2019/11/19/cicada-3301-the-biggest-riddle-of-the-internet/
-
diff --git a/Hixie's Natural Log: The Spectrum of Openness.myco b/Hixie's Natural Log: The Spectrum of Openness.myco
new file mode 100644
index 0000000..e4f630a
--- /dev/null
+++ b/Hixie's Natural Log: The Spectrum of Openness.myco	
@@ -0,0 +1,3 @@
+= Hixie's Natural Log: The Spectrum of Openness
+http://ln.hixie.ch/?start=1691780719&count=1
+
diff --git a/Life in 1080p @ marginalia.nu.myco b/Life in 1080p @ marginalia.nu.myco
new file mode 100644
index 0000000..963a639
--- /dev/null
+++ b/Life in 1080p @ marginalia.nu.myco	
@@ -0,0 +1,4 @@
+= Life in 1080p @ marginalia.nu
+https://www.marginalia.nu/log/84_life_in_1080p/
+
+Too big of a screen might end up with unproductivity.
\ No newline at end of file