Separating the front and backend application in order to enable a quicker SCRUM Agile approach

[youtube http://www.youtube.com/watch?v=nVdScd4m-x8?feature=player_popout] http://e-byz.ch/projekt-management/shopdirect-customer-experience-management SCRUM with AGILE Development a YouTube video (mute sound).  Re: Online direct to consumer business: "[UK based] Shopdirect.com separated the front and backend...