csmonitor.com is the only one on that list that we're responsible for. We have a few others in development, so we can add to that list in a few months. At the moment, a lot of csmonitor.com eZ Find usage is behind the scenes, making use of ezfind fetch functions for efficiency purposes.
use the same instance of eZ Find Solr server that's been setup in a shared virtual host environment with no root access. No much functionality to see on the sites, but a tutorial about setting this up is coming soon.
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Nothing is impossible. Not if you can imagine it!
Websites with complex eZ Find / Solr customization (solr sharing, multi core, faceting, external datas, custom datatype mapping, geosearch, hidden features like web services & iphone REST requests...) :