First Question? I have place adsense ads in my one of site......... simultaneously can place bidvertiser ads or not? Second Question? I have account adsense one is my friend and another one for me........ now i can place adsense ads from both account in one site or not? 3rd Question? in my site now running my adsense account ads...........now i want to remove my ads and place my friend adsense account ads. can i do this with safe adsense?