I gave the below presentation, entitled Ad Monetization Design Patterns in Free-to-Play Games, at Casual Connect Tel Aviv in October 2016. The identifies and analyzes a few different ways that ad monetization is currently being implemented in free-to-play mobile games, with examples.
Ad monetization design patterns in F2P games
Posted on November 28, 2016 by Eric Benjamin Seufert
For further reading on ad monetization design, see the following case studies: