I.B.M. is the latest company to prove that cloud computing - in which data centers with vast stores of information can be tapped from afar through a personal computer or cellphone - is gaining legitimacy on a large scale. The New York Times reports that I.B.M. is entering the market for Internet-focused data centers with computer systems designed to reduce power consumption sharply and take up less floor space. The move is the most recent sign that the major computer makers are beginning to compete aggressively to supply Internet companies and others with the specialized hardware needed for so-called cloud computing. Read the full story here.