diff --git a/TODO b/TODO
index 323a00c9..01c94397 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,8 @@
+- google maps write needs a bg colour option
+
+- get more threading out of SVS read by opening multiple times?
+
+  could work for PNG read as well? also very slow
 
 - see