carre4 writes "The Wall Street Journal has come out with an article where they examine 101 popular smartphone apps and show that 56 of them transmit various types of information including unique phone IDs, age, gender, postal codes, and location to ad companies. The article also includes responses from infringing app makers and talks about the pressure that some developers feel to share even more information, like Max Binshtok, creator of the DailyHoroscope for Android, who has been encouraged by ad-network executives to transmit users' locations."
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