Killed by Microsoft

Sorry, but these product are dead now:

Skype for Business, Wunderlist, Windows Phone and 67 more.

Why companies such as Google, Microsoft and Amazon are constantly buying and killing such a great products?

There are many answers.

This time I will provide my product point of view in one sentence:

Successful companies don't serve “products”. They serve customers.

Customers, not products, is the main focus of successful company’s…