Yesterday marked the fourth anniversary of my start date at NVIDIA and by extension, four years that I’ve lived in California. One implication—less significant than it used to be—is that very soon my original block of stock options will be fully vested—a point at which many people will move on to new jobs. Though the oft-used (referring to presidential re-election) phrase of “Four more years!” is probably something of a far cry for me, things have been going fairly well and I think I shall be staying a while longer…