diff --git a/lib/TodosModel.js b/lib/TodosModel.js
index ab8d115..72001a8 100644
--- a/lib/TodosModel.js
+++ b/lib/TodosModel.js
@@ -1,10 +1,31 @@
 "use strict";
 /*global WinJS: false */
 
+var ko = require("knockoutify");
+
+function Todo(name, hasCompleted) {
+    var that = this;
+    name = ko.observable(name);
+    hasCompleted = ko.observable(hasCompleted);
+
+    Object.defineProperties(that, {
+        name: {
+            get: function () { return name(); },
+            set: function (val) { name(val); },
+            enumerable: true
+        },
+        hasCompleted: {
+            get: function () { return hasCompleted(); },
+            set: function (val) { hasCompleted(val) },
+            enumerable: true
+        }
+    });
+}
+
 var sampleTodos = [
-        { name: "Destroy Enemies.", hasCompleted: false },
-        { name: "Make Friends.", hasCompleted: false },
-        { name: "Conquer The World.", hasCompleted: false }
+        new Todo("Destroy Enemies.", false),
+        new Todo("Make Friends.", false),
+        new Todo("Conquer The World.", false)
     ];
 
 // I envision the serialization happening by someone who listens to events triggered by this model?
@@ -19,7 +40,7 @@ module.exports = function TodosModel(initialItems) {
     that.dataSource = bindingList.dataSource;
 
     that.add = function (name) {
-        bindingList.push({ name: name });
+        bindingList.push(new Todo(name, false));
     };
 
     that.delete = function (key) {