Improve engagement with interactive content, quizzes

https://docs.google.com/spreadsheets/d/e/2PACX-1vR3U6VwHhx_pZLcDtQBtS7afrz6T1jWs3d22fAq112P4ehBQU785Q-x2EgVZYuvEwIOCYnGIuN51dRJ/pubhtml

Enhance involvement with interactive material, quizzes, and surveys that produce understandings and motivate meaningful customer participation.