diff --git a/.gitmodules b/.gitmodules
index c2fbd5b..517c548 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "hdbscan_issue_demo"]
 	path = hdbscan_issue_demo
 	url = https://github.com/emilyhunt/hdbscan_issue_demo
+[submodule "nam_2022_clustering_algorithm_talk"]
+	path = nam_2022_clustering_algorithm_talk
+	url = https://github.com/emilyhunt/nam_2022_talk
diff --git a/nam_2022_clustering_algorithm_talk b/nam_2022_clustering_algorithm_talk
new file mode 160000
index 0000000..a44835d
--- /dev/null
+++ b/nam_2022_clustering_algorithm_talk
@@ -0,0 +1 @@
+Subproject commit a44835d792429ba011a0fc08837580e4e2bb64de