Abstract
Currently, almost two billion persons worldwide, that is 30% of the world population, have access to the Internet (Internet World Stats). These numbers are accurate as of June 30, 2010, and will soon be outdated: access has grown by 445% from 2000. The proportion of users varies by country, being 77% in North America and 58% in Europe, with notable peaks in the Nordic countries, where Denmark and Finland are above 85% and Norway and Sweden are above 90%. Figure 12.1 provides a global view on the proportion of users and growth in use in the last 10 years.
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Acknowledgements
This work was partially supported by the Compagnia San Paolo and the Piedmont Region. We thank Prof. Neil Pearce for valuable comments and Jose’ Lobo for valuable help.
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Richiardi, L., Pizzi, C., Paolotti, D. (2014). Internet-Based Epidemiology. In: Ahrens, W., Pigeot, I. (eds) Handbook of Epidemiology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-09834-0_59
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