As sighted drivers do, Mark made active use of his other senses such as sound, listening to the noise the tires generate rolling over the roads, and used the sense of angular and linear acceleration perceived from his inner ear to make judgments and adjustments to the controls of the vehicle.

CNN: Why we made a car for blind drivers

Newspaper reports today suggest that HP's chief executive, Mark Hurd, played a more active role in the leak investigation than was previously known.

NPR: Pretexting Is Alive and Well in Corporate America

Earlier, SDLP leader and Deputy First Minister Mark Durkan said he believed the IRA was "still active".

BBC: Trimble presses Reid on IRA ceasefire

Mark Zuckerberg's company needs to keep its users active on the site and mobile apps, especially since the pool of untapped of potential new members in the U.S. is dwindling.

CNN: Survey: Most Americans take breaks from Facebook

On Wednesday, Facebook CEO Mark Zuckerberg announced that the site hit a half-billion active users.

CNN: Who in the world isn't on Facebook?

The number of active (installed) PCs worldwide will pass the 2 billion mark.

FORBES: Twelve 2012 Predictions For The Telecom Industry

Facebook founder Mark Zuckerberg announced this month that the company has more than 1 billion monthly active users.

FORBES: Facebook: Mobile Growth Takes Off in Emerging Markets

The big question mark remaining for the 3D home entertainment push is consumer confusion from competing technologies like active and passive stereoscopic (with glasses) 3D, and the newer autostereoscopic (glasses free) 3D like the Nintendo 3DS employs.

FORBES: Global Spending on Blu-ray 3D Booming Thanks to PlayStation 3

Bellisario was let go from his active duties at NCIS in 2007, purportedly after tensions between him and series headliner Mark Harmon.

FORBES: CBS And 'NCIS' Creator Continue Bizarre Legal Wrangling

Facebook says it has 901 million active users at this point, and the site is widely expected to cross the 1 billion mark this year.

CNN: Is Twitter slowing down?