David Brin

Author of Earth (Brins Earth), which as a sideline offers a view of a society with advanced web-like information technology. And many other SciFi books.

blog http://davidbrin.blogspot.com/

http://www.davidbrin.com/

http://www.levity.com/corduroy/brin.htm

Author of The Transparent Society, about privacy. Here's a related interview