Are you concerned about your banner ads?Should you put ant nofollow?As a SEO consultant we know, that we can restrict Google bot to block the specific ads portion,to reduce unnecessary penalty.But for a common people , it’s a valid question. Here is Matt Cutts answer on this,hope it will help you guys! [video=youtube;3SesBNVanGs]http://www.youtube.com/watch?v=3SesBNVanGs&feature=player_embedded[/video] Published by Anirban Das,Zebra Techies,India