Moldova is Europe's poorest and least developed country. But its people are making full use of technology to organize massive protests against the government. Moldovans have taken to the streets following the results of parliamentary elections, which have left the communists still in power. Anchor Lisa Mullins learns more from media consultant, Evgeny Morozov. He's written an article for Foreign Policy magazine that he calls Moldova's Twitter revolution.

Wikipedia now has more than 2 million articles in more than 250 languages. What makes this online encyclopedia tick? Anchor Lisa Mullins finds out from The World's Clark Boyd and author Andrew Lih.

The answer to today's Geo Quiz is Toronto. It's where a Canadian filmmaker will be launching a new film venture. Anchor Lisa Mullins speaks with Rob Spence, who plans to have a mini-camera installed in his prosthetic eye to make film documentaries and raise awareness about public surveillance.

Does the iPod have potential in American sports?

Lisa Mullins hears from BBC Sports reporter Alex Capstick about how an English goalie used his iPod to help win an important soccer match.

Computer voting systems have, so far, proved to be erratic and unreliable. Cyrus Farivar reports on a Belgian system of electronic voting that is supposed to be immune from fraud.

Corey Takahashi reports on a California company that sells Korean tacos from the back of a truck. Fans of this fusion of Mexican and Korean flavors go on-line to find out where the truck will show up next.

Audio Slideshow: Kogi Korean taco truck

NASA scientists say two satellites have collided in space...about 600 miles above Siberia. The collision has created two huge clouds of debris. Anchor Marco Werman finds out more from John Logsdon, former director of the Space Policy Institute.

Anchor Marco Werman speaks with Carl Safina of the School of Marine and Atmospheric Sciences at Stonybrook University about the launch of "Google Ocean."

Many of your old computers, cell phones and TV sets are winding up in toxic dumps in Africa. The World's Laura Lynch visited two e-waste dumps in the West African nation of Ghana.