Thomas M. Selden ([email protected]) is director of the Division of Research and Modeling, Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality, in Rockville, ...

Joshua Cox-Steib is a sociologist and freelance writer. He lives in Tulsa, Oklahoma, with his wife and their menagerie of pets. Joshua holds a degree in sociology from the University of Tulsa and ...

Jeff Carlson writes about mobile technology for CNET. He is also the author of dozens of how-to books covering a wide spectrum ranging from Apple devices and cameras to photo editing software and ...