Programatically adding Audience

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SharePoint;
using Microsoft.Office.Server;
using Microsoft.Office.Server.Audience;

namespace LearnSharePoint
{
    class Audience
    {
        static void Main(string[] args)
        {
            try
            {
                using (SPSite spSite = new SPSite(@"http://localhost"))
                {
                    ServerContext siteContext = ServerContext.GetContext(spSite);
                    AudienceManager amManager = new AudienceManager(siteContext);

                    AudienceCollection acCollection = amManager.Audiences;
                    string strName = "HR Department";
                    string strDescription = "All members of the human resource department";

                    if (!acCollection.AudienceExist(strName))
                    {
                        acCollection.Create(strName, strDescription);
                    }

                    foreach (Audience tempAudience in acCollection)
                    {
                        Console.WriteLine(tempAudience.AudienceName);
                        Console.WriteLine(tempAudience.AudienceSite);
                        Console.WriteLine(tempAudience.MemberShipCount);
                    }
                }
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception.Message);
            }
        }
    }
}