Modernization Effects applied for Adobe InDesign CC and its values

Hello!

I would like to ask what are the additional features provided in Adobe InDesign CC? Can you tell; me what are the added features in Tool Hints panel? How useful the changes made in my project? What is the effect of Background Tasks panel? How beneficial the changes made in my projects? What is APE (Flash) based useful in my works? What is the perfect reason for adding this feature in my projects? How can I optimize this usage of this tools? Please give me more information and what are the best ways to use these tools properly.

Thank you very much and have a nice day!