From WD's press release: Calendar 2010 was a year of tremendous opportunity for the hard drive industry with 651 million drives shipped. That's 330 million ter

From WD's press release: Calendar 2010 was a year of tremendous opportunity for the hard drive industry with 651 million drives shipped. That's 330 million terabytes of storage capacity sold into a broadening set of applications and markets. At 16%, this was the industry's strongest full year unit growth in five years. Rotating magnetic storage remains the dominant technology solution for high-volume mass storage of digital content in both the consumer and commercial markets. Full year revenue for the industry expanded by some 13% to $34 billion.