Book excerpt: IBM’s vision of the future of computing and how its evolving technologies, product lines, and services fit into that future are the subject of this broad look at the world’s largest computer company. Discussing IBM’s e-business strategy to leverage Internet technology, its new emphasis on IBM Global Services, and its fast-growing consulting business this overview. profiles IBM’s new eServer xSeries, pSeries, iSeries, and zSeries, showing how each fits into an e-business context. A companion web site accessible only to buyers of this book provides the latest news and additional resources related to IBM technology and product lines.