This IDC study outlines updates to IDC's IT market taxonomy for IDC's 4Q11 Worldwide Black Book. It includes definitions for each of the new market segments included in the Black Book. It provides a summary of the Black Book methodology for all hardware markets, in which capacity it is intended for use as a supplemental handbook for the Black Book.
"IDC continues to evolve and expand the Black Book taxonomy in line with new product launches and market changes, providing the best possible reflection and measurement of global ICT spending in the 54 countries where we have major research coverage." — Stephen Minton, vice president, Worldwide IT Markets
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