NYTimes: In Silicon Valley, Millionaires Who Don’t Feel Rich

"Silicon Valley is thick with those who might be called working-class millionaires — nose-to-the-grindstone people like Mr. Steger who, much to their surprise, are still working as hard as ever even as they find themselves among the fortunate few. Their lives are rich with opportunity; they generally enjoy their jobs. They are amply cushioned against the anxieties and jolts that worry most people living paycheck to paycheck.

But many such accomplished and ambitious members of the digital elite still do not think of themselves as particularly fortunate, in part because they are surrounded by people with more wealth — often a lot more."