| Characteristic | Jan+Feb 2011 | Sep+Oct 2011 |
|---|---|---|
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
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Source
Sources
Release date
January 2012
More information
Region
Worldwide
Survey time period
January/February 2011 and September/October 2011
Number of respondents
10,000*
Age group
18 years and older
Method of interview
Computer-assisted telephone interviews (CATI)
Supplementary notes
During the survey, this question was posed as follows: "Which, if any, of the following devices do you currently use?" and "And which of the following best describes your phones?".
* Sample Size: n=2000 per wave per country, representative of the population
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