diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..96812d0
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "documents/sidtoday"]
+	path = documents/sidtoday
+	url = https://github.com/firstlookmedia/sidtoday
diff --git a/documents/sidtoday b/documents/sidtoday
new file mode 160000
index 0000000..07b7008
--- /dev/null
+++ b/documents/sidtoday
@@ -0,0 +1 @@
+Subproject commit 07b7008f215ffe784068d9d2d14fb5d76875ca24