If you use Android, you might want to check out this article - no information on the actual apps tested
Quote:
The results of a study conducted by researchers from Duke University, Penn State University, and Intel Labs have revealed that a significant number of popular Android applications transmit private user data to advertising networks without explicitly asking or informing the user.
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http://arstechnica.com/security/news...dvertisers.ars
It won't be long now before some provider comes up with a "free unlimited data but we are allowed to monitor your usage pattern sell it to our partners" plan