No not at all, just against there TOS if you have other contextual ads on the same page. Most people put adsense and YPN in a rotation system as well (or a geotargetting system)
No not at all, just against there TOS if you have other contextual ads on the same page. Most people put adsense and YPN in a rotation system as well (or a geotargetting system)
What's to be gained by rotating Adword/YPN? Why not just stick to one of them?