If you want to run advertising campaigns in different markets, you need to tailor your ads to each one. What works in your home market will probably not work in others, as different countries are unique, with their own cultural quirks and differences. The biggest change you'll probably have to make to your ads will be their language. After all, your English ads aren't going to bring you good results if you're targeting a non-English speaking country! This video explains how to write ads for international markets.