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The diffusion of the Internet (and its accompanying digital divides) has occurred at the intersection of both international and within-country differences in socioeconomic, technological and linguistic factors. Telecommunications policies, infrastructures and education are prerequisites for marginalized communities to participate in the information age. High costs, English language dominance, the lack of relevant content, and the lack of technological support are barriers for disadvantaged communities using computers and the Internet.

The diffusion of Internet use in developed countries may be slowing and even stalling, when compared to the explosive growth of Internet access and use in the past decade. With the proliferation of the Internet in developed countries, the digital divide between North American and developed countries elsewhere is thus narrowing, but remains substantial. The divide also remains substantial within almost all countries, and is widening even as the number and percentage of Internet users increases, as newcomers to the Internet are demographically similar to those already online. People, social groups and nations on the wrong side of the digital divide may be increasingly excluded from knowledge-based societies and economies.