Tracking user's activities and give suggestion

I would like to implement a suggestion mechanism like Amazon. When users browser my ASP.Net 开发者_如何学Pythonpage, their activities are tracked and we can analyze their behaviors to give advertisements, suggestions, etc Could you please help me some articles, books or libraries,... ?

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Mmmm... you should look something about ai to prepare frames to divide your customers... maybe here you could find something.

With enought data, I would prepare some frames and then, when an new product arrives, check in which frame does it fall, and recommend it to the people whose interests overlay...