Interesting article: “A World Wide Web that Talks” 

A World Wide Web that Talks
IBM builds a search engine aimed at the estimated fifth of the world’s population that cannot read.
By Tom Simonite

Some 10,000 people worldwide use a version of the Web like no other: it is operated by voice over the telephone. Called the “Spoken Web,” it is the result of an IBM research project attempting to re-create the features and functions of the text-based World Wide Web for people in developing regions with low levels of literacy and technical skills.