Joburg says it has no policy for surveillance cameras
Officials confirm the city does not have a policy in place to govern the surveillance cameras across Johannesburg.
Start-up investors fret over mass data collection risks
Questions loom about how much personal information start-ups are collecting and how securely they store the data.
Remote-activated Siri saves life, raises privacy concerns
Siri can now "call the ambulance" from across the room, but this life-saving capability raises privacy concerns for some.