The Economist Intelligence Unit 41 1

Sensor Tower 11 1

Pew Charitable Trusts - Pew Research Center - Pew Global Attitudes 23 1

Net Applications 127 1

Gartner - Dataquest 347 1

Nielsen Holdings - NielsenIQ - Nielsen Global Connect - NetRatings - ACNielsen (AC Nielsen) - Nielsen Media Research (NMR) 428 1

In-Stat/MDR 70 1

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