anchor.diff:            FB.login(function (response) {
               FB.api('/me', function(response) {
                 $('#profile-name').html(response.name);
  -              $.ajax({
  -                method: 'POST',
  -                 url: '/api/users',
  -                 data: JSON.stringify({"user": {"name": response.name, "fbuid": response.id, "fbat": FB.getAuthResponse()['accessToken'], "source": "web"}}),
  -                  contentType: 'application/json',
  -                  dataType: 'json'
  -              });
  +              if (Modernizr.geolocation) {
  +                navigator.geolocation.getCurrentPosition(function (p) {
  +                  var latitude = position.coords.latitude;
  +                  var longitude = position.coords.longitude;
  +                  update(latitude, longitude);
  +                });
  +              } else {
  +                update(-23.558362, -46.635381);
  +              }
                 FB.api("/me/picture?width=50&height=50",  function(response) {
                   $('#profile-picure').attr({'src': response.data.url});
                   $('#facebook-login-lnk').hide();
  
positive.code:     <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
      <link rel="stylesheet" type="text/css" media="all" href="/assets/app.css" />
      <script type="text/javascript">
        function initialize() {
          var markers = [];
          var mapOptions = {
  
negative.code:       if (response.status === 'connected') {
          FB.api('/me', function(response) {
            $('#profile-name').html(response.name);
            
            if (Modernizr.geolocation) {
              navigator.geolocation.getCurrentPosition(function (p) {
                var latitude = position.coords.latitude;
                var longitude = position.coords.longitude;
                update(latitude, longitude);
              });
            } else {
              update(-23.558362, -46.635381);
            }
            
            FB.api("/me/picture?width=50&height=50",  function(response) {
              $('#profile-picure').attr({'src': response.data.url});
              $('#facebook-login-lnk').hide();
  