Post in place of send buttons.                              			
Question Topic in place of question subject.
Place, Email textboxes (Mandatory).
code received in email textbox  with OK button (HIDDEN by javascript)
First in last out display of discussion list.
Display 'place'  in top of  question section
Reply in place of 'answer', Continue discussion in place of "give an answer".  
Display textbox for valid emailID  below "give an answer" section.
Hidden textbox for code with OK button beside send button.
Admin:
First in last out display of discussion list.                                   
Facility to delete any question or answer.                                      
Add linked in and google++ plus link social network