A few days ago, I wrote that one lesson from Wall Street suggests that Google and other Web 2.0 giants will increasingly start "trading for their own account." The same history of Wall Street firms suggests that there will be many new opportunities for

specialized info services that supplement the services that are no longer provided by the search engines themselves.

Let me start by repeating part of the "unorthodox history of Wall Street" according to Bill Janeway, as reported in the Release 2.0 issue on Web 2.0 and Wall Street:

Thirty years ago, Bill points out that the price of a trade was
regulated by the exchanges: […]

Orginal post by Tim O’Reilly

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