HOW TO: Adsense Section Targeting In Thesis
Oh! So it means that if you have a site which displays information about gadgets, it will show ads related to mobiles, laptops, etc.
Victor, adsense is a contextual ad program and it shows related ads only by default that means if you write a review of your latest gadget people will see gadget related ads on that page. That is how Adsense works with section targeting enabled or not. By targeting you specifically tell Adsense bot to consider particular sections from your webpage.
nice post. keep on posting.