The best place that will give you guaranteed good results for your advertisement is your own country: you will be able to advertise more effectively by using the language that you are familiar with and by knowing what 'tickles' the people residing in your country. You must know the 'pulse' of your target audience in order to capture their attention.
Having done that, you may now expand your ads to countries that ranked the highest activity in SFI: these people have the interest, technology, devices and sheer willpower to work in SFI. Capitalise on that because the highest ranking countries also means that more people have already heard about SFI, it's like having a school of fish that is ready to be caught by your net of advertising.
The best place that will give you guaranteed good results for your advertisement is your own country: you will be able to advertise more effectively by using the language that you are familiar with and by knowing what 'tickles' the people residing in your country. You must know the 'pulse' of your target audience in order to capture their attention.
Having done that, you may now expand your ads to countries that ranked the highest activity in SFI: these people have the interest, technology, ...more