The following is live coverage from D6 of Facebook's Mark Zuckerberg and Sheryl Sandberg being interviewed Wednesday by Kara Swisher:
Click here for full coverage of the D: All Things Digital conference.
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.
Gallery
En route to GPS-based air traffic control (images)
Apple
Apple to buy Quattro Wireless for $275 millionDeal for mobile-advertising start-up comes on the heels of Google's $750 million purchase of Quattro competitor AdMob.
Beyond Binary
Understanding Windows 7's 'GodMode'Enthusiasts are buzzing over a trick that lets users get access to all of the operating system's controls in one folder.
Video
Deep-sea volcanic explosion--part 2 (video)
Technically Incorrect
'Kama Sutra' most pirated ebook of 2009The list of 2009's most pirated ebooks reveals that those who downloaded illegally are people with rather narrow minds and broad frustrations.
Video
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.
Gallery
NASA trains WISE eye on the sky (photos)
2010 CES
Lenovo announces Skylight smartbook, smaller than a NetbookWith a thin frame and a nonstandard OS, Lenovo's entry into the world of smartbooks meshes smartphone with Netbook.
Green Tech
To save energy, thermostat becomes mini computerSilverPac releases a sleek-looking touch-screen display that combines the functions of home energy monitoring and a programmable thermostat.
