Why Google’s "20 Percent Time" Isn't Stemming Its Brain Drain

The time and space Google gives engineers to work on their own projects used to be the key to luring in PhDs and other brilliant minds. The recent talent exodus suggests it's no longer enough. ... All of which begs the question: Can a company get so large that innovative incentives, like 20 percent time, simply aren’t enough to hold on to the kinds of pioneering, entrepreneurial employees who are the key to helping companies remain on the cutting edge? [29 November 2010 - Fast Company - More]