The touch-screen Zune HD will be able to download high-definition videos, with the display enhanced by the use of a high-efficiency organic LED screen.

BBC: Updated Microsoft Zune released

"We look for high cash, low debt, and screen for management quality and efficiency, " Callahan says, adding that he considers direct meetings with companies' executive spinmeisters a waste of time.

FORBES: Learning From an Icon

Smart power efficiency automatically adjusts the brightness of the screen to the surroundings to conserve battery life.

ENGADGET: Sony officially debuts Xperia U at MWC 2012 Mobile

The Scottish Prison Service is ordering hundreds of flat-screen televisions for inmates in order to meet energy efficiency targets, it has emerged.

BBC: prisoner in cell

Featuring the latest version of Windows Phone, the HTC TITAN II enhances connectivity, efficiency and productivity for busy consumers with its large on-screen keyboard and instant access to Windows Phone Office Hub, Microsoft Exchange 2010 and Outlook Mobile.

ENGADGET: HTC Titan II coming to AT&T, finally delivers LTE to Mango lovers

The new Aspire One AO751h lets customers attain a new level of productivity and efficiency with its large 11.6-inch high-definition screen and full-sized keyboard.

ENGADGET: Acer's Aspire One D250, 751h now on sale in North America

Featuring LED Plus technology, the LX6500 combines edge lighting and local dimming for greater control of individual sections of the picture, based on the actual on-screen content which will deliver better contrast, amazing clarity and color detail, as well as greater energy efficiency compared to conventional LCD TVs.

ENGADGET: LG's 3D bundle adds two pairs of glasses, $100 rebate and Under the Sea 3D disc