Technology

YouTube's future success depends on increasing the amount of time people spend watching videos on the site. The Google-owned website plans to roll out more than 100 new, professionally produced channels in a push to draw viewers away from television, and onto the Web.

As protesters in the Middle East use social media to communicate, the regimes they're battling are using sophisticated technology to intercept their emails and text messages. Journalist Ben Elgin details how Western companies are providing software and equipment to help Middle Eastern governments crack down on dissidents.

Technologies like GPS and social media are posing new challenges to interpreting the Constitution's guarantees of privacy and free speech. Law professor and journalist Jeffrey Rosen says we're now in an era the Founding Fathers could never have imagined, in which private companies are determining the rules for what can be shared.

Theoretical physicist Michio Kaku descries some of the inventions he thinks will appear in the coming century -- including Internet-ready contact lenses, space elevators and driverless cars -- in his book Physics of the Future.

Facebook, Google, Amazon and Apple are expanding rapidly into finance, advertising, media and retail. Tech writer Farad Manjoo outlines how the four companies are heading in new directions -- and encroaching on each other's territory -- as they try to expand their customer base.

After Steve Jobs was diagnosed with cancer, he asked Walter Isaacson to write his biography. The new book tells the personal story of the man behind the personal computer — from his childhood in California to his thoughts on family, friends, death and religion.

In a new book, medical ethicist Harriet Washington details how genes and tissues are increasingly being patented by pharmaceutical and biotechnology companies. Those firms, she argues, are focused more on their profits than on the medical needs of patients.

As many as 12 million computers worldwide have been infected with a highly encrypted computer worm called Conficker. Writer Mark Bowden details how Conficker was discovered, how it works, and the ongoing programming battle to bring down Conficker in his book Worm: The First Digital World War.

Constantly having access to our cellphones is changing the way we interact with the world, says technology writer Brian X. Chen. In a new book, he explains how being "always on" will affect law enforcement, the medical community and higher education.

Online dating sites are now a multibillion-dollar industry. But how do they match people together? New Yorker writer Nick Paumgarten recently profiled several of the major online dating websites to find out how they pair people with compatible romantic mates.