Overall, plug-in cars are a plus for the environment, despite the fact that they would increase the demand for electricity.
How will Revver and other revenue-sharing video websites address the challenges ahead?
Startup FastSoft could speed up the transfer of video and voice files over the Internet.
Kevin Rose, founder of Digg.com, talks about why it's good that the site is out of control.
The head of Google Research talks about his group's projects.
Technology from Hewlett-Packard could help shoppers find the right color.
The founder of Twitter talks about upcoming features.