To find all mentions of your competitor's branded hashtag within a given radius of a store you've opened up in a new city, you should: set up a geo-search stream, filtered by competitor's twitter handle and the city in which your your new store is located create a private twitter list for your competitor and filter the search results by followers and branded hashtag compose a geo-targeted message, filtered by the hashtag and the desired radius around the geocode for the new store set up a geo-search stream, filtered by the hashtag and the desired radius around the geocode for the new store