Fans of Twitter, Pandora, Skype, Zillow, and seven other Web companies had better hope these start-ups find creative business plans to weather the financial downturn. These 11 Web 2.0 favorites have landed on Webware.com editor Rafe Needleman's list of companies that are potentially in peril. On Friday's edition of the Daily Debrief with CNET's Kara Tsuboi, Rafe explains why these companies are in danger--and what they could be doing to survive.

Ann Livermore weighs in on what separates her company from Big Blue, along with the shift to virtualization and what it means to be green.

After having dropped off the radar, Quark is set to revolutionize publishing--again. CEO Ray Schiavone explains how.

The Salesforce.com CEO weighs in on cloud computing, an uneasy economy, and why Microsoft is still a dinosaur.

Antitrust woes, a protracted battle for Yahoo, and a shifting software market. Welcome to Steve Ballmer's world.

Phone company's CEO says new partnerships are intended to help it fill holes in its business, develop its wireless service.
Qwest in talks with Verizon about wireless deal

You may not love coal, but you use a lot of it. Peabody Energy's Greg Boyce says the company will even participate in cleaning the stuff up.

A main driver of the takeover bid is the desire for "great engineers," says Microsoft's chairman. Plus: Windows 7 and other future tech.

Yes, the entrepreneur and technologist admits, he does have a lot of balls in the air--and rockets too.

Morgan Gillis discusses the LiMo Foundation's first mobile Linux platform release and why it matters that Nokia bought Trolltech.

Nuclear is better for us than coal, says Greenpeace co-founder Patrick Moore. What's holding it back are environmentalists.