Often, the "business guru" knows exactly shit

Beware, young grasshopper, the self-promotional "business expert."

Let me try to hit this target quick and clean on what happened in the digital age around the idea of a "business guru," i.e. expert.

First off: the Internet got to scale relatively quickly in the grand scheme of other things in history. Facebook had 300 million users in about three years or so; 300 million people use the U.S. highway system, give or take…