Adwords: High search volume with extremely low CPC. How to monetize ?

I found out a lot of keywords which have a very high search volumes and the CPC are very low. However, these are not buying keywords, it refers more to information. Do you have experience in monetizing via Adwords ?

You run keyword sell products or drag the site view?
Google recently changed ad processing algorithms, will show higher
and advertising topped 2 or 5,6?

There is a long term process where you convert those visitors into buying one, who are in the first stage of buying cycle (Product Awareness/Product Need).

However, majority of companies rely on E-mail marketing to convert those user's who want to know more about the product, rather then buying.