How open-source intelligence fans track down clues in a photo

Every day, the Twitter account @Quiztime posts a photo and asks its followers to identify where it was taken. Fans use clues like a license plate or a car GPS to track down the photo. The game is an example of open-source intelligence, or OSINT, which uses publicly available sources to gather information. Subscribe to the Observers channel on YouTube: http://f24.my/2lke The Observers program brings you the best amateur images from around the world, all verified by France 24 journalists. To see more reports from our Observers – and to become an Observer yourself! – head to our website: www.observers.france24.com/en. The Observers website www.observers.france24.com/en Twitter   / observers   Facebook   / france24.observers