Stephen LawsonSenior U.S. Correspondent, IDG News Service

Stephen Lawson covers mobile, storage, and networking technologies for the IDG News Service, and is based in San Francisco.

AT&T extends date for T-Mobile deal to close

AT&T has pushed back the expected date of its proposed $39 billion merger with T-Mobile USA, saying now that the deal will close in the first half of 2012.

New Android seen easing OS fragmentation

Ice Cream Sandwich, the latest version of Android, is likely to ease the fragmentation of the operating system, some device executives believe.

iPhone exceeds Sprint's expectations

The Apple iPhone is attracting more new subscribers than expected to Sprint Nextel, and it will probably ease rather than worsen congestion on the carrier's 3G network, Sprint executives said.