I want to know it! Case Studies and the four points of the PR strategy

If you are a director you will sometime face site development with strategic PR.
Strategic PR is:
1. Set interest of media and consumers to maximum theme
2. Draw scenario about contribution of sales growth
3. Channel design
4. Induce information spread
To write is easy, but it is hard to understand without examples.
Here is an article about useful ideas about strategic PR.
http://growthapp.jp/?p=643