Great case study as always! :D By the way, I'm new on adsense bussiness model.. I want to know how do you calculate the ROI? Do you have any guidance for that? For example, if I have 10 keywords like this:
- keywords 1 - CPC $1,7 - LMS 500 - GMS 1500
- keywords 2 - CPC $1,3 - LMS 1000 - GMS...