Queries about Google AdSense Ad

[kpkarthik]

I purchased one costume through websites.I was searched some other category products.After that i went to some other blogs.I saw the banner ad and image ad which was what i was searching the products in that blog website.How Google Adsense display the ad in blog?

 

[N-A]

It's called contextual advertising. It knows what you want and displays relevant advertisements based on your preferences.