From Daniel Pink

This is from Daniel Pink's blog
Factoid of the day: Revenge of the nonspecialist
Published October 5th, 2009

Yesterday afternoon, I was reading Jerry de Jaager and Jim Ericson’s smart new book, See New Now, and came across this stunner:
“A study of the top fifty game-changing innovations over a hundred-year period showed that nearly 80 percent of those innovations were sparked by someone whose primary expertise was outside the field in which the innovation breakthrough took place.”