A few resources to ramp up on all that is new in Knowledge Management in Microsoft CRM 8.1.0.00xx (2016 Spring Release)
Dynamics CRM Knowledge Management by the Microsoft EMEA Support Team
New Knowledge Management Features Introduced by the Microsoft Product Team
New Customer Service Features in CRM 2016 discussed by MSDynamicsWorld
Tip of the Day Video (series): CRM Knowledge Articles
One Minute Overview Video on Knowledge Articles
Streamline Knowledge Management in Microsoft CRM Video
You will also want to ramp up on the new Interactive Service Hub (ISH) which offers even more access to the wealth of data in Microsoft CRM.
Tip of the Day : Interactive Service Hub
Overview of the Interactive Service Hub
Working with Cases in the Interactive Service Hub