There are numerous traffic light systems around the world, obviously there are actual traffic lights to control vehicular movements, but there are also traffic light information systems for the salt, fat and sugar levels in processed foods you might buy from the supermarket. There are traffic lights for health checks (for those who ignore the food traffic lights). There are traffic lights for educators, for journalists, for nurses. There is even a traffic light system for open access publishing.
Now, Sciencebase introduces version 0.1 alpha of the Facebook Traffic Lights system for determining whether to share, unfollow or unfriend someone based on their latest status update.* Did a friend share a “joke” or meme that is more than a week old? One that everybody has already shared a million times or that is just so lame that it is zero
*Readying the hoisting apparatus for my own petard