For years, he gave take-home exams for which students could use any reference materials they wished, but it became apparent that they did not actually internalize the material.

CNN: Do digital diaries mess up your brain?

If preferred, the owner also can take pictures of the surrounding area for reference, write a reminder note, email his or her location and set an alarm if the car is parked at a meter.

ENGADGET: Google and Kia partnership will bring Google Maps and Places to new cars this year

Ross Norman, CEO of Sharps-Pixley, said he is of impression the commission may take a look at all reference prices for a range of markets, rather than gold coming under special scrutiny.

FORBES: FOCUS: News Of Possible Probe Of London Fixings Raises Eyebrows In Gold Market

The project has also unveiled reference designs for a second generation machine, which will take the form of an e-book with twin touch screens.

BBC: Colombia signs up for XO laptop

Typically, retail buyers take thousands of photos at industry trade shows, for example, to use as reference points for design and color trends that inform their private-label merchandise for everything from housewares to apparel.

FORBES: Retailers Fight Back Against Amazon With Private Brands