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.

The region has diesel expertise, a green populace, and interested governments. Could Europe be a big player in green tech?

Policy analyst Randolph J. May says the Federal Communications Commission should make needed market reforms to communications policy.

Aaron Greenspan warns that Facebook is sacrificing user privacy on the altar of hyper growth.

CNET News.com's Charles Cooper says loyalists who want to give Yahoo's CEO one more chance are living in the past.

Internet attorney Eric J. Sinrod finds that educational institutions have been anything but smart about preventing security breaches.

The rarefied world of achievement is awash in metaphors, so News.com's Michael Kanellos lists some that can be applied to the heroes, villains, and principles of ordinary life.

PFF's Adam Thierer says the state's decision is a troubling harbinger for makers and users of electronic game technologies.

It's long been time for the instant-messaging walls to come down, says CNET News.com's Charles Cooper. But that's not likely anytime soon.

Internet attorney Eric J. Sinrod notes that where technology travels, the law will follow--sometimes to our detriment.

There's a chance green products will save the world, so why are they so boring compared to a cell phone with a built-in TV?