diff --git a/SimpleAttach.md b/SimpleAttach.md
index bd30637..12a7d5e 100644
--- a/SimpleAttach.md
+++ b/SimpleAttach.md
@@ -18,6 +18,9 @@ i.e. those that appear on the BOINC web site.
 Making it work for arbitrary projects would decrease security.
 It works only on Win and Mac.
 
+Currently (31 Mar 2024) only 8 out of the 28 vetted BOINC projects
+are using Simple Attach.
+[Details](Simple-attach-usage).
 ## New download/attach process
 
 ### Front page