One of the defining features of CSS3 is media queries which helps in making a Responsive Web Layout. A website which uses the Responsive Web Layout can get automatically resized according to the screen resolution of your device.
Adobe has taken great initiatives for the web. And one of the initiative is the Adobe Edge Reflow which is simple application which allows users to make Responsive websites. The defining feature of this application is the Graphical User Interface which makes it easy for a normal user to make his website with the latest technologies available to him right at his fingertips.
Today even after Responsive Web Layout is available but major developers find difficulty using it and this application will help a major bunch of developers. So in future we will not see websites centred but rather full screen.
Users and developers can get details about the application over here.