Mobile may be the future of technology, but even with the worldwide proliferation of high-powered devices like smartphones and tablets, some companies are struggling to maintain consistent revenue streams.
Earnings disappointments this week from Intel Corp, Microsoft Corp, Google Inc and AMD underscore how Silicon Valley, both the old guard and new, is struggling to profit from consumers' waning love affair with the stalwart PC and infatuation with mobile -- the most significant tectonic shift in the industry since the advent of the Internet.