SAN FRANCISCO--It began with a mere toolbar, an add-on that gave browsers a handy Google search box.
That modest project is what eventually led to Google Chrome, now used by 310 million people by Google's tally. It's what got the project's leader, Sundar Pichai, promoted to senior vice president of Chrome and Apps. And it's what led to a very lucrative new source of profit for the company.
Chrome has spread steadily over its three-and-a-half years of public existence. It launched on Windows, extended to OS X and to Linux personal computers in the months afterward, … Read more