You have a Website that specializes in local news. You have pages dedicated to various cities, replete with news, advertising, and all kinds of goodies for people who live in that area. You want visitors to your site to make it to their pages and get the best information for them.
How do you route them there in a Joomla environment? Easy - you have them register for your site using Community Builder, pick their city from a dropdown box, and then login! Assuming, of course, that you have the Login Redirect for Community Builder Component from CorFun. This new component allows Webmasters to map specific entries in a CB profile field to different URLs. When a user logs in, he or she goes directly to the page you feel is most relevant based on their profile!