Consider the impact of computers on finance.

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Average HDD unit sales growths have been 14-15% annually over many years although this year and in 2008 and 2009 general financial issues for consumers, and in 2011 the impact of tablet computers on HDD sales have slowed unit growth to lower levels.

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With the advent of electronic medical records, along with the established role of computers and broadening impact of mobile based platforms in healthcare, having a staff that is technically proficient will likely ensure success in this new healthcare environment.

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The iPod, and related iTunes store, revolutionized the music industry, as has the iPhone in smartphones and iPad for tablet computers, for an impressive and lasting impact on three different segments of the technology industry.

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Although Dr Biles has played several gigs with GenJam under the billing of the Al Biles Virtual Quintet, he thinks that the visual impact of a live concert means that however good they get, computers will not put jazzmen out of work.

ECONOMIST: Musical computers