Hewlett-Packard has been angling to morph into a one-stop tech shop in the vein of IBM and shortly Oracle, which is in the process of closing its acquisition of Sun Microsystems.

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From complex accounting systems to the stuff that tracks employee performance, compensation and inventories, he'll bring it all together and run it for customers in his data centers, saving them the headache and upfront cost of buying hardware from Ellison's shop, HP, Dell or IBM.

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They are a fraction of TCS's 215, 000-strong workforce but represent the bridgehead of its ambitions to go beyond being merely an outsourced back-office and coding shop and take on such consultancy giants as IBM, Hewlett-Packard (HP) and Accenture on their home turf.

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IBM's bearhug strategy, and shop from different suppliers.

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Campbell has moved on to start DC Capital Partners, a private equity shop that recently scored its own big exit by selling a company to IBM.

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In addition, according to the IBM Benchmark report, 6.6% of people used a mobile device to shop in 2011, which is up from 2.3% from last year.

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