An international standards body is working to develop a consensus agreement on the definition of Do Not Track by June.

WSJ: FTC Urges Congress to Pass Digital-Privacy Law

The Digital Advertising Association, which represents more than 400 companies, said it is pushing ahead to implement its definition of Do Not Track.

WSJ: FTC Urges Congress to Pass Digital-Privacy Law

Two camera systems take color photos and high-definition video to study the Martian landscape, track weather conditions and aid in driving operations.

WSJ: Curiosity, the New Mars Rover | Visualizer