target location

I have promoted a few videos through Adsense...while I did get quite a few views, attracting new subscribers was low. (using the "general audience" option.) Do you promote through Adsense? If so, what audience targeting options do you find the most helpful for your videos? (I am in the comedy...

Hi I saw in the advanced setting on YouTube video manger a box that enable tagging function to any uploaded YouTube video with location information (coordinates). What is the benefit of that function ? Will it increase our cpc if we target any high paying country ?