diff --git a/Literature.md b/Literature.md
index 717b147..da52d39 100644
--- a/Literature.md
+++ b/Literature.md
@@ -1 +1,4 @@
-Landing page on literature I've read
\ No newline at end of file
+Landing page on literature I've read
+
+
+[pharma. market learning](wiki/BergerChandraGarthwaite2021) has some good info on uptake after each use. Big useful point is data.
\ No newline at end of file