Today, amid the many manufacturers of smartphones, tablets, and apps, two names tower above the others: Apple and Google, whose philosophies, leaders, and commercial acumen have steamrolled the competition – and now threaten to steamroll each other. But the battle between Apple and Google is just not a story of corporate competition. It’s a tale of friendships gone sour, of trust betrayed, and agreements breached.

Wired magazine’s Fred Vogelstein discusses his book on this high-stakes, high-tech struggle for handheld superiority, going inside offices and board rooms, behind the outsized personalities of Apple’s Steve Jobs and Google executive chairman Eric Schmidt, and through the deals, allegations, and lawsuits that are shaping the way we communicate.