Weve been analyzing how digital advertising ecosystems behave globally, especially how campaigns are displayed differently depending on user location and regional targeting logic. A colleague explained that ad libraries and previews dont fully reflect what real users see in different countries. He recommended Space Proxy https://spaceproxy.net/en/ so we could test real ad delivery conditions. We started observing how creatives, placements, and funnel structures change across regions. It gave us insight into how deeply localization affects marketing outcomes. Our understanding of ad systems became much more operational and less theoretical.