The PESO Model® Diagnostic: Duolingo Built the Internet’s Favorite Brand on Rented Land

Gini Dietrich takes you inside the Duolingo PESO Model® Diagnostic—the internet's best shared media engine, and the owned media gap hiding underneath it.

The post The PESO Model® Diagnostic: Duolingo Built the Internet’s Favorite Brand on Rented Land first appeared on Spin Sucks.