This was a short talk about how to optimize your ads on Facebook, using some tricks and tips to create a viral ad with low CPC and great results. in this talk, I shared my experience and case how to reduce the cost per engagement from $0.01 down to $0.0004 using the tips that's I shared on my talk during the Social Media Camp Algeria 2018 at Batna City. This Slide, Created by Walid SERIR, you are free to use this slide or pictures, but you should mention the source.