YouTube, Facebook Spark Copycats, Bubble Fear in Silicon Valley

The tech bubble back in the 90s was a thing to behold. That was when I was getting into the financial advisory field and the market trading was best described as "crazy". Shares of companies that had incredible losses quarter to quarter were trading in ranges based on future potential of hundreds of times their earnings. Then in 2000 the market took us into a depression. HAve we learned our lesson?

Feb. 23 (Bloomberg) -- A murmur of recognition ripples through the standing-room-only crowd at San Francisco's Commonwealth Club of California as Mark Zuckerberg steps on stage.

He looks like your average college kid, in his green Urban Outfitters T-shirt, jeans and Adidas flip-flops. Yet Zuckerberg, 22, is royalty to the Webheads who have assembled on this cool November evening to hear him speak on ``Defining the Self in a Virtual World.'' read more...