Add a RED warning against including private keys in memos on private keys page
Red text for warning: "NEVER put your private keys into a memo field (including ones on an exchange) as this could result in your funds being stolen!"
This is the page: https://wallet.hive.blog/@blocktrades/permissions
Maybe this text should be displayed in a modal dialog when any of the REVEAL buttons are pressed and require user to press OK before key is displayed.