Few devices know more personal details about people than the smartphones in their pockets: phone numbers, current location, often the owner's real nameâeven a unique ID number that can never be changed or turned off.
These phones don't keep secrets. They are sharing this personal data widely and regularly, a Wall Street Journal investigation has found. <a href="http://online.wsj.com/article/SB10001424052748704694004576020083703574602.html?ru=yahoo&mod=yahoo_hs"> Read more</a>