"Do you want to smell coffee in the morning, and fries in the afternoon?" asks Dan Wohlfeil, who works at McDonald's' innovation centre, where the fast food chain has built a prototype restaurant interior.

The prototype restaurant's front counter is curved – in an attempt to be more inviting to customers; surfaces are painted in bright colours; and in one corner a touch-activated screen allows customers to punch in orders without queuing.

http://msnbc.msn.com/id/11203557/