And at the forefront 4

NPR

If a mixture of styles is becoming much more prevalent throughout the world of animation, so is an increasing reliance on NPR (Non-Photorealistic Rendering)

This is where, rather than a CG animator striving to create a realistic world, the 3D software is instead used to create impressionistic animation that's much more like hand-drawn media.

Part of the reason for this trend is that the animation tools have become so advanced that photoreal CGI is now more straightforward to acquire

Hardware-Based Non-Photorealistic Rendering Using a Painting Robot

Reference

Hardware-Based Non-Photorealistic Rendering Using a Painting Robot
https://www.youtube.com/watch?v=uMHHfMTJTDk

[Accessed: 26 July , 2016]