By Deane Barker on April 15, 2004

Search Engines — The Future : You can find this tool here. It appears to be a Web-based service, but I didn’t have the energy to create a new account.

…a proof of concept called QueryTracker, a software agent that sits between a user and a conventional search engine and looks for information of recurring interest, such as the latest news about a user’s chronic illness. QueryTracker submits a user’s query to the search engine once a day and returns results from new Web pages and pages that have changed since the previous search.