Yahoo CEO Jerry Yang is scheduled to talk with Web 2.0 Summit co-host John Battelle at 4:50 p.m. PDT Wednesday. Given the collapse of the Yahoo-Google advertising deal, it should be an interesting discussion. Here's our live blog of the discussion...
Rafe Needleman writes about start-ups, new technologies, and Web 2.0 products, as editor of CNET's Webware. E-mail Rafe. 
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Stakes are high as Google attempts to maintain one of the Internet's greatest cash machines while pushing into new and risky markets.
• Android event set for Jan. 5
The gift frenzy over Zhu Zhu Pets leaves some power sellers feeling like they've just run a marathon--but the steep price tags lead to some impressive profits.
Software, Interrupted
Forrester: 5 keys for application development in 2010Smart application development efforts are the key providing the flexibility a company needs to stay ahead of the game. Forrester Research has a number of recommendations for 2010.
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En route to GPS-based air traffic control (images)
Apple
Apple's App Store tops 3 billion downloadsThe store, which launched in July 2008 with 500 apps, reached the 2 billion download milestone just two months ago.
Beyond Binary
Microsoft sets Office 2010 pricingSoftware maker offers two sets of prices, one for those buying a full boxed copy and a lower one for those just buying a product key code.
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Deep-sea volcanic explosion--part 2 (video)
Crave
Smartphones continue to surgeSeventeen percent of mobile phone subscribers now have smartphones, up from 11 percent at the end of 2008, Forrester says.
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Deep-sea volcanic explosion--part 1 (video)
The Social
Fresh legal woes for ConnectU foundersRemember file-sharing site I2hub? Its creator claims that due to a partnership with social network ConnectU, he's entitled to part of ConnectU's Facebook settlement money.
The Digital Home
NASA's Kepler finds five 'hot Jupiters'After less than a year in operation, NASA's Kepler space telescope finds five new exoplanets in our galaxy. Unfortunately, none of them is habitable.
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NASA trains WISE eye on the sky (photos)
2010 CES
iHome introduces portable iPod/iPhone clock radio, the iP49The first portable model in iHome's Studio Series line will hit stores in early spring 2010 with a list price of $169.
Green Tech
Think to manufacture electric cars in IndianaThe Think City, an electric car that can go 60 miles per hour and has a range of about 100 miles, will be made in the U.S. for sale later this year.
