20B Update & Fluid UI default enable introduction deck

Summary

This is 20B Update & Fluid UI default enable introduction material

Content

HI, All

I'm working as Taleo CSM, I introduced 20B Update & Fluid UI default enable to my customer with material attached in this topic.  Including 

- Fluid UI introduction

- 20B update & Fluid UI default enable introduction

- Best practice suggestion. 

Most of contents are collected from previous sharing sessions and materials.  It's ONLY for your reference in case any contents would be helpful for you.  You need to refer https://cloudcustomerconnect.oracle.com/posts/53ccac0bf8?page=2 as formal announcement.