Is privacy dead in an online world?

... Personal information, Mr Wizner says, allows corporations to make highly accurate predictions about a person's life, including their sexuality and any health problems they may have.

"I think that we hear all too often this sort of blase remark that 'I don't need to be worried about surveillance because I've done nothing wrong and I have nothing to hide.'

"For every single one of us, there is some pile of aggregated data that exists, the publication of which would cause us enormous harm and, in some cases, even professional and personal ruin.

"Every single one of us has a database of ruin."

http://www.bbc.com/news/technology-41483723