case

answers this Q 

 1- explain how far ING Direct Spain could go in terms of expanding its product portfolio without adding too much internal complexity.?

 2-  explain the approaches to managing (the balance between customer value and internal complexity would scale with the desired growth) .and 

(The culture around cross-functional collaboration and enterprise-wide thinking was seen to be especially at risk with growing complexity)

 3- explain  the challenges that ING Direct Spain faced in dealing with complexity ?

 4- how ING Direct Spain team work ?

( answers this questions from article " ING Direct Spain: Managing Increasing Complexity While Offering Simplicity"  and use some principle from the file summary )