title: How to make live chat like facebook in my web application?
body: <p>I want to build web applications with simple chat like facebook have, but If I wanna make a chat self service what will I have to accomplish that?</p>
  
  <p>I just newbie and don't know the architecture of chat applications. The purpose is just I can to record the history of chat to my database..</p>
  
  <p>If the resource is high, Can you suggest the free service online chat that I can integrate in my applications??</p>
  
  <p>Any help regards..</p>