Customers can easily personalize the reading experience by choosing from a selection of crystal-clear and razor-sharp fonts available in various styles and sizes, quickly navigate to different pages or chapters, add bookmarks, and more.

ENGADGET: Nook app comes to Windows 8 with clean Paper-like design

But to be considered for selection it has been made clear to Beckham that he needs to be playing at a European level of competition.

CNN: Beckham's U.S. spat raises questions over role

One clear message we can draw from Mr Lew's selection is that President Obama feels more self-confident now than he did four years ago, at least when it comes to picking his top economic officials.

BBC: Obama puts a trusted man at the Treasury