It has hired a team from the Marshall School of Business to trawl through it and to map the competences of the top executives in various functions and industries.

ECONOMIST: Management appraisal

Women aren't as worried about the pay gap as they were five years ago, says Carol Gallagher , president of the Executive Women's Alliance and author of Going To The Top: A Road Map for Success from America's Leading Women Executives.

FORBES: Are Women Happy Under The Glass Ceiling?

Perhaps the coolest feature is the link map, triggered from an icon at the top of each article page.

WSJ: Encyclopaedia Britannica Now Fits Into an App

The map shown at the top of this page illustrates the wetness of soils worldwide.

BBC: Smos 'space chopper' returns first global maps

The player could then be given the chance to take a second look at the map, or turn on guide arrows that would appear at the top of the screen (well, at the top of the image projected from the glasses) to lead the player to the finish line.

FORBES: Google to Overtake Apple in 2016