IBM: Our “Windows XP to 7 upgrade required 1000 folks and 18 months. Would’ve been cheaper to give out new laptops” https://docs.google.com/document/d/1ufpf_yfXpRD7Qcid4ft2c-cGd_6XgYEZy_FPP78lXQQ/mobilebasic?pli=1 …
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