IBM has constantly evolved since its inception. Over the past decade, it has steadily shifted its business mix by <answer>exiting commoditizing markets</answer> such as PCs, hard disk drives and DRAMs and focusing on higher-value, more profitable markets such as business intelligence, data analytics, business continuity, security, cloud computing, virtualization and green solutions, resulting in a higher quality revenue stream and higher profit margins. IBM's operating margin expanded from 16.8% in 2004 to 24.3% in 2013, and net profit margins expanded from 9.0% in 2004 to 16.5% in 2013.
IBM focusing on markets like business continuity, business intelligence, security, and cloud computing is an example of IBM doing what?
exiting commoditizing markets