Over the past thirty years, startups have been prodigious job creators in this country.

FORBES: The Great Startup Slowdown

Over the past thirty years, no benefactor has contributed more to liberal causes.

NEWYORKER: Schmooze or Lose

On the job training is great but much has been learned over the past thirty or forty years about the cognitive biases (universal tendencies of thought) that can lead us astray.

FORBES: What Sandberg Should Have Done: Made the First Offer

Over the past three some years, the market has retraced almost exactly its proportions from thirty-five years ago, when the economy endured and then sort of got out of the nasty recession of 1973-75.

FORBES: The Dow Is Retracing the Stagflation Market