""We decided to announce this project now to give students lead time," says Elitzer. "We want to issue a challenge to some of the brightest technical minds of a generation: 'When you step on to campus this fall, all of your classmates are going to have access to bitcoin; what are you going to build to give them interesting ways to use it?'""

"The database "may include as many as 52 million face images by 2015," EFF said in an analysis of the government documents. It already contains more than 16 million images. More than 4 million come from non-criminal contexts, such as driver's license photos."

"EXIF data stands for Exchangeable Image File and is the metadata captured by your camera. Most phone cameras or digital cameras have EXIF data turned on by default. If EXIF data is turned on, when you take a photograph, the EXIF data comes along with the photograph, but we can't see it unless we use special tools, most of which are free and available to anyone on the Internet. EXIF data contains information about the photograph such as where the photograph was taken (with exact GEO coordinates), what camera (including its serial number) took the photo, and many other details that give away information about you."

The IB Diploma review keeps Lab experiments in all experimental sciences unlike the A Levels!