diff -r 000000000000 -r 6474c204b198 mobile/android/chrome/content/readerWorker.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/chrome/content/readerWorker.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+importScripts("JSDOMParser.js", "Readability.js");
+
+self.onmessage = function (msg) {
+  let uri = msg.data.uri;
+  let doc = new JSDOMParser().parse(msg.data.doc);
+  let article = new Readability(uri, doc).parse();
+  postMessage(article);
+};