Yeah, part of me wants to laugh. The rest of me shudders. Facebook can now tell me which of my friends are poker players, pedophiles or terrorists, 'just by lo

Yeah, part of me wants to laugh. The rest of me shudders. Facebook can now tell me which of my friends are poker players, pedophiles or terrorists, 'just by looking at them'. My daydreams of going offline and becoming totally anonymous have just become much more vivid.