Google Adwords is the primary source of Advertising when it comes to Digital Marketing. The Google revenue from Adwords in 2017 was more than $95 Billion Dollars. Google gets the revenue through Google search and Display Network where search is the major contributor. Advertisers Waste 15% to 25% of Google spend by showing to ads for irrelevant search terms. Manually it is impossible to predict and add negative keyword to negative keywords list.