In emerging economies, however, there are few if any privacy protections, and many people eager to get online may not realize the devices they are using are transferring huge swaths of data about them, often through obscure partnerships. Thi Thi Moe, a sales clerk in Mandalay, Myanmar, said she was unaware until being informed by The Wall Street Journal that GMobi was collecting data from her Singtech P10 phone. She said she had become annoyed in recent months at frequent advertisements on its screen for mobile games. “I don’t want that kind of app on my phone,” said the 28-year-old, who added that she bought her phone last year for $77. “I’m not familiar with the technology, but it seems like it shouldn’t be taking my private information.”

https://www.wsj.com/articles/app-traps-how-cheap-smartphones-help-themselves-to-user-data-1530788404?mod=hp_lista_pos1