The notion of online privacy has been greatly diminished in recent years, and just this week two new studies confirm what to many minds is already a dismal picture.
First, a study reported on Monday by Stanford University found that smartphone metadata—information about calls and text messages, such as time and length—can reveal a surprising amount of personal detail.
To investigate their topic, the researchers built an Android app and used it to retrieve the metadata about previous calls and text messages—the numbers, times, and lengths of communications—from more than 800 volunteers’ smartphone logs. In total, participants provided records of more than 250,000 calls and 1.2 million texts.
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