At the centre of this shift are two huge corporations locked in the feud of a generation - Apple versus Google is a tussle that will play out in the marketplace, the courts and our homes. This deathmatch is not just another example of corporate competition - it's a dramatic saga of a friendship gone sour, of trust and agreements betrayed, of visionaries Steve Jobs and his successor Tim Cook versus Larry Page, Sergey Brin and Eric Schmidt. This is a tale of bickering, backstabbing, poaching and paranoia, of hardware versus software and patents versus products.

A struggle that is reshaping our technology and the content we see and use on every desirable new gadget, "Dogfight: How Apple and Google Went to War and Started a Revolution" is about a war with global repercussions in which the future of information lies at stake.