You can know about content marketing step by step very easily.

1. Content Marketing

2.  Article Marketing
 Image Marketing
 Video Marketing
 Audio Marketing

3.  To write a content on products, services,
occasions, events are called article content
marketing.
 Platform
• 1 Personal Blog
• Company Blog
• Free Blog (Blogger.com)

4.  To take an image and writing something else
it’s called image article marketing.
-Platform
* Facebook
* Twitter
* Linkedin
* Google plus

5.  Video of products is called video Marketing.
Plateform
* Youtube
* Vimor
* Daily Motion.

6.  Platform
 Slide share.net

7.  Platform
 Sound cloud