Every developer who monetizes with ads has a headache about eCPMs they get. Some devs simply stick to traditional solutions (Admob, Mopub, etc), others are trying to find any alternatives to the one they’re using. As you may know already, key eCPM drivers are a number of demand partners, high fill rates and header bidding technology. Additional features such as immediate payouts and wide range of ad formats could encourage you to check out Appodeal mediation today.
Who are you and what is this sales pitch? 
I was just coming over here to pitch Appodeal and realized the entire thread is a pitch to Appodeal.