Our May 2011 tracking survey contains data on mobile phone ownership and usage, as well as profile management on social networking sites.

Important note for analysis of mobile activities: To analyze certain mobile activities questions (Q14a through Q14h; Q17a through Q17i; and Cell11a through Cell11c) based on all cell owners, use the “total” version in the data set (i.e. Q14atot instead of Q14a, Q17atot instead of Q17a, Cell11atot instead of Cell11a). The topline data and crosstabulation files have been recalculated based on all cell owners for these questions.

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