Wikipedia
GeoSurf
GeoSurf is an internet browser add-on toolbar that allows users to select from a long list of geographic areas and view the internet as if they are located in that area. It is popular with online media professionals including media buyers, account managers, ad operations, sales teams, and QA personnel. Mostly, these users log on to the many premium proxy servers available through GeoSurf to check that their geo-targeted campaigns are displayed properly and to research new advertising opportunities in specific local areas. GeoSurf is distributed by BIScience and has a worldwide customer base in many industries.