If you are running a marketing campaign and it does not generate perfect or desirable results, then many people take it as a failure. That is why, big companies always conducts trials or some other market research as they want more success with less failure. Market research is an expensive process, and it requires much effort. Google AdWords tool is an alternate for this.
Google AdWords is a famous medium for advertising which displays advertisements based on the keywords typed by people. Google AdWords are very effective in reaching the targeted customers.
It is easy to calculate ROI (Return On Investment) through Google AdWords and you can count its success by analysing Google AdWords Reports. Some of your advertisements failed, but no need to be disappointed because of failure, as it points you out all the mistakes made by you. You will not make those mistakes again in all the next ads you will create and your marketing campaign will get success.
Google AdWords is a tool that matches the advertisements against the keywords if they are relevant to the ads. Google Adwords provides you knowledge about your market, means it shows how much effective your ad is. It provides you report about your ads, like how many times your ad was placed, how many times it was being clicked by visitors or viewers.
In Google AdWords, there is no need to pay money for any impressions only you pay for the clicks you receive for those ads. Google Ads provide complete feedback about your campaigns.