I think John cook has hit on a brilliant marketing strategy : write mostly about basic, upper-division probability and statistical concepts (e.g., the tail beha

I think John cook has hit on a brilliant marketing strategy : write mostly about basic, upper-division probability and statistical concepts (e.g., the tail behavior of the gamma distribution, or a list of conjugate distributions), interspersed with the occasional non-controversial polemic (“don’t invert that matrix”). To the uninformed—including his potential clients—he looks like some sort of genius, and for the rest of us, it’s a great reference.