CNN Opinion rounded up a selection of essays about privacy and security . Neil Richards : He is a media theorist and the author of the new book `` Present Shock : After Boston terror attack , some call for more surveillance . That 's a bad idea . Comment: Privacy was a relatively recent human invention ; now it 's likely gone forever . Rebecca MacKinnon : Government 's surveillance powers have expanded .
CNN Opinion rounded up a selection of essays about privacy and security . Neil Richards : After Boston terror attack , some call for more surveillance . That 's a bad idea . Comment: Privacy was a relatively recent human invention ; now it 's likely gone forever . Rebecca MacKinnon : Government 's surveillance powers have expanded .