title: Why to use websocket and what is the advantage of using it?
body: <p>I tried reading some articles, but not so clear on this topic.</p>
  
  <p>Would someone like to explain me below points:</p>
  
  <ul>
  <li>Why use websocket over http</li>
  <li>what is full duplex communication</li>
  <li>what do you mean by lower latency interaction</li>
  </ul>