O'Reilly Money:Tech Conference 2008 Keynotes

The Web 2.0 wave is slamming into Wall Street. Sharing and social networks that once seemed antithetical to the zero-sum world of money are finding their places in investing. From social stock-picking, to new and tradable web-based data, to search, all of these Web 2.0 technologies are showing up on Wall Street. Read more.

So-called amateurs have a bad rap in capital markets. Most professional investors sniff at such people, but Jim Cramer, host of CNBC's Mad Money, has done more than anyone else to celebrate them. Read more.