title: iPhone: Creating another thread and do some processes
body: <p>I want to create a separate thread from main thread and do some processes there. For ex: When i'm going through my application screens (navigation controller, view controller etc.), i also want to have an another thread where-in some upload processes should be going on in the background.</p>
  
  <p>How can i achieve this in iOS development? Please guide me.</p>
  
  <p>Thank you!</p>