Blog aggregator tracks what locals are saying

A quick note to point out that another small blog aggregator, BlogDigger is also building a local type of blogging product.
http://www.blogdigger.com/index.html

Also, another service called EventJar has been using automated crawlers to build databases of local events for years.
http://www.eventjar.com
Overview (2nd item) here:
http://www.resourceshelf.com/2004/07/29/go-local-with-eventjar/