diff --git a/README.md b/README.md
index 3add957..9a9d882 100644
--- a/README.md
+++ b/README.md
@@ -4,18 +4,15 @@
 
 follow these step:
 
-- Set 'YOUR GOOGLE ACCOUNT' in googleanalyticis.js placeholder with your google account id
 - Add the service to your angular js app module:
 
 	``var app = angular.module('myapp', ['analytics']) {
 		...
 	});``
 
+-  Set your analytics code:
 
-- Now just have analytics to be injected in your contorller.
+    ``app.constant('gaKey', 'UA-XXXXXXXX-Y');``
 
-	``function myCtrl($rootScope, $scope, $http, analytics) {
-	    ...
-	};``
 
 Code licensed under The MIT License. 
diff --git a/analyticsService.js b/analyticsService.js
index a787d2e..d2f5d93 100644
--- a/analyticsService.js
+++ b/analyticsService.js
@@ -1,34 +1,34 @@
-var _gaq = _gaq || [];
+(function (){
 
-angular.module('analytics', []).run(['$http', function($http) {
+    var analytics = angular.module('analytics', []);
 
-	_gaq.push(['_setAccount', 'YOUR GOOGLE ACCOUNT']);
-	_gaq.push(['_trackPageview']);
+    analytics.constant( 'gaKey', 'XXXXXX-XX' );
 
-	var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-	ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-	var s = document.getElementsByTagName('script')[0];
-	s.parentNode.insertBefore(ga, s);
+    analytics.run(['$window','$location','$rootScope','gaKey', function($window, $location, $rootScope, gaKey) {
 
-}]).service('analytics', function($rootScope, $window, $location, $routeParams) {
+        (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+            (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+            m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+        })($window,$window.document,'script','//www.google-analytics.com/analytics.js','ga');
 
-	$rootScope.$on('$viewContentLoaded', track);
+        $window.ga('create', gaKey);
 
-	var track = function() {
-		var path = convertPathToQueryString($location.path(), $routeParams)
-		$window._gaq.push(['_trackPageview', path]);
-	};
-	
-	var convertPathToQueryString = function(path, $routeParams) {
-		for (var key in $routeParams) {
-			var queryParam = '/' + $routeParams[key];
-			path = path.replace(queryParam, '');
-		}
+        var track = function() {
+            $window.ga('send', 'pageview', {
+                location:  $location.absUrl(),
+                page : $location.url()
+            });
+        };
 
-		var querystring = decodeURIComponent($.param($routeParams));
+        $rootScope.$on('$viewContentLoaded', track);
+    }]);
 
-		if (querystring === '') return path;
+    analytics.service('analytics', ['$window',function($window) {
+        return {
+            trackEvent: function(action, label, value) {
+                $window.ga('send', 'event', action, label, value);
+            }
+        };
 
-		return path + "?" + querystring;
-	};
-});
+    }]);
+})();