diff --git a/NewCapDesign.md b/NewCapDesign.md
index b6631ce..74b3220 100644
--- a/NewCapDesign.md
+++ b/NewCapDesign.md
@@ -63,6 +63,12 @@ established sense). To make them real, we need to:
     (including me) don't like long URLs, but I've never pushed anyone to
     explain the "suspicion" aspect. One comment in #217 says "smells a bit
     spammy", and a later one says "Spooks me every time".
+   * It's likely because it's difficult for a human to verify there isn't hidden information
+     in there, or a hidden URL, that they're sending out or visiting that they therefore
+     can't anticipate or intelligently control. When people see a long hex string, perhaps it represents
+     information that the person crafting it wants to hide from the person using it.
+     I totally understand the skepticism; however, in this case there's nothing to be done, I think.
+     -midnightmagic
  * Enable convenient cut-and-paste. If caps are too long they'll wrap in
    email. If they contain lots of word-breaking characters then you have to
    drag after you've double clicked (this is probably ok). If the word-broken