public JsonResult GetCityTweets(string cityName)
        {
            TwitterViewModel model = new TwitterViewModel
            {
                ProfileName    = string.Empty,
                FollowerCount  = 0,
                FollowingCount = 0,
                TweetList      = new List <TweetViewModel>()
            };

            var searchParameter = new TweetSearchParameters("")
            {
                Lang = Language.English,
                //hard coding the geo location for newyork
                GeoCode = Geo.GenerateGeoCode(Geo.GenerateCoordinates(-74.006, 40.742), 1000, DistanceMeasure.Miles)
            };
            var tweets = Search.SearchTweets(searchParameter);



            foreach (var item in tweets.OrderByDescending(res => res.CreatedAt))
            {
                model.TweetList.Add(new TweetViewModel
                {
                    TweetText = item.Text,
                    CreatedAt = String.Format("{0:d/M/yyyy HH:mm:ss}", item.CreatedAt),
                    CreatedBy = item.CreatedBy.Id.ToString(),
                    HashTag   = item.Hashtags.Any() ? item.Hashtags[0].Text : ""
                });
            }

            return(Json(model, JsonRequestBehavior.AllowGet));
        }