Alison Overholt recently mentioned the new search engine NetNose. Now Business 2.0 is praising Nutch, a new open-source search engine.

FC Now reader Noel Jackson reminds us of other search-engine upstarts such as FAST, whose AlltheWeb was sold to Overture Services Inc. -- which was acquired by Yahoo.

I regularly turn to Google, but it's clear there's more room -- and money -- in this Web business niche.