Before I watched this, I knew literally nothing about Boko Haram apart from the fact that they were terrible. It's pretty informative for a 7 min video and I would recommend it to anyone that's ignorant about the issue (like me 7mins ago).
If you want to learn a bit more about Nigeria read this piece by the War Nerd http://pando.com/2014/05/17/the-war-nerd-nigerias-inevitable-mess/
and here is a documentary on Nigeria that I posted a while back, I thought it was pretty informative. https://hubski.com/pub?id=189889