Google Inc.

Google Inc. plans to launch software similar to Microsoft Corp.'s popular PowerPoint program as the two companies vie to dominate the online experience.it would pay $3.1 billion (euro2.29 billion) to acquire ad-management technology company DoubleClick Inc. Almost as soon as Google announced the cash acquisition, Microsoft and AT&T executives said the deal could violate antitrust legislation _ and result in a dangerous concentration of Internet users' personal data at Mountain View-based Google.The two companies already offer e-mail, word processing and spreadsheet programs, and other tools. Google's new presentation software will compete against Microsoft's ubiquitous PowerPoint software that is part of its popular Office suite.