A virtual transformation.

Faced with disappointing revenues, logistics exchanges have begun transforming themselves from public auction sites to ASPs or private exchanges. But that transformation may not be enough to ensure that all of the players survive.

The "logistics exchange" was originally envisioned as a kind of freight dating service--a portal that would bring together shippers with cargo to move and carriers that could haul it. Given the vast volume of freight business transacted in the United States each year, the concept proved to be an attractive business model to venture capitalist