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Spoken Web proposes to build an alternate web for the underprivileged population that is yet untouched by the enormous benefits of Internet and World Wide Web. Just over 22% of World's population today has access to Internet Stats 2008. The remaining 78% either cannot afford computers or high end mobiles, or are textually illiterate or simply reside in areas where basic infrastructure (such as electricity) is not available.
Agarwal et al. (Tue,) studied this question.