8Oden M D, Lentz R G. Digital divide or digital opportunity in the Mississippi Delta region of the US[J]. Telecommunication Policy, 2001, 25(5) :291 - 313.
9Global internet statistics(by language). Available at: http://www. glreach, com/globastats/index, php3.
10Foster W, Goodman S E. The Diffusion of the Internet in China,2002 - 12. Available at: http:// www. public, asu. edu/-wfostel/chinainternet, pdf.