Take an example of any Famous organization that brought changes

Take an example of any Famous organization that brought changes in its structure, design, technology,or any other area.(  just focus on one area of this ) 

Explain in detail the following facts:

1)      Introduction of that company; what it was before and how it brings up the change.

2)      Analyzewhat motivates that organization to bring changes and what kind of support that organization gets in order to incorporate changes. Does that company consult any OD practitioner to guide about the change if yes, then how it moved on in contracting process?

ü  Provide proper referencing for your work.*  400 words