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Sergey Brin says censorship in China worsened after the 2008 Olympics, the Pentagon used lasers to destroy a missile in flight, and Barbie updates her resume.

On the podcast: Amazon and Macmillan clash over online prices; Wikileaks shuts down; Robots evolve; and more.

In an exclusive CNET interview, Bill Gates discusses the challenges his foundation faces in improving health and education in Africa and other developing countries.

A quick rundown of the day's headlines, including a new cybersecurity chief at the White House, a legal loss for Microsoft, and a win for online retailers.

Twitter is reported to have made money this year, while Yelp is apparently walking away from a huge Google payday.

Apple responds to claims it is infringing on Nokia's handset patents, by accusing the Finnish phone maker of copying 13 of its smartphone technologies.

Microsoft's Bing links up with Twitter, Facebook; RIM unveils BlackBerry Bold 9700; and the first of many deep deals on Windows 7 surfaces.

Courier, a prototype tablet from Microsoft, debuts in New York; Intel shows what its Larrabee and Nehalem technologies can do; and say a final goodbye to EDS.

Today on the podcast: The mythincal Apple iPad, the looming end of the line for PowerPC Macs, A new netbook operating system, an interview with our Microsoft expert on the Word patent lawsuit, and what Google is doing in Paris with tricycles.