diff --git a/content/content.js b/content/content.js
index 7232406..84c96a9 100644
--- a/content/content.js
+++ b/content/content.js
@@ -51,14 +51,21 @@
 
 
  function markExistingAsProcessed() {
- var sels = SEL.MESSAGE_SELECTORS;
- for (var i = 0; i < sels.length; i++) {
- try {
- var all = document.querySelectorAll(sels[i]);
- for (var j = 0; j < all.length; j++) processed.add(all[j]);
- } catch (e) {}
+  var sels = SEL.MESSAGE_SELECTORS;
+  for (var i = 0; i < sels.length; i++) {
+   try {
+    var all = document.querySelectorAll(sels[i]);
+    for (var j = 0; j < all.length; j++) {
+     var el = all[j];
+     processed.add(el);
+     try {
+      var t = SEL.collectText(el);
+      if (t && t.length > 0) rememberHash(hashText(t));
+     } catch (e2) {}
+    }
+   } catch (e) {}
+  }
  }
-}
 
  function rememberCallsHash(h) {
  seenCallsHashes.add(h);