On CNet news yesterday, Frank Rizzo pointed out the potential pitfalls of Philadelphia's municipal Wi-Fi project. He points out some of the same problems inherent in most municipal telecom ventures: rising costs, low initial cost estimates, and most importantly, the fact that such ventures are unnecessary due to private competition. In the particular case of municipal Wi-Fi build out, another important aspect is the limitations of the technology and the emergence of better technologies, such as WiMax and 3G wireless.