Using personal information online has become the norm . Author of ` ` Wired '' David Rowan thinks privacy has become a ` ` 20th century idea '' Experts worried we do n't the understanding of how our information is being used online .
Sharing personal information online has become the norm . Editor of `` Wired '' David Rowan thinks privacy has become a `` 20th century idea '' Experts worried we do n't know implications of how our data is being used online .