What is the one key thing that IBM has achieved?

Question

What is the one key thing that IBM has achieved (in a business context) in the last 5 years that has made a difference and why?

Answer 1

Annoying TV ads which are instantly forgettable

Answer 2

Consistency against all the odds in the biggest changing market. The reason being it always has been successful in its core activity.

Answer 3

It has concentrated on the high end of the market and is now effectively the market leader in main frame computer systems. It has also used its R&D to develop its technology and then license its inventions out making a nice rake off