Essentially, it works by charging a small fee every time your ad gets clicked on, incurring no costs if someone doesnt click on it. What makes Google Ads special is that its working with the most popular search engine in the world, both for desktop users and mobile. Mobile users have made up the majority of Google Search users since 2015, and mobile users are also more likely to click on PPC ads. Harnessing this marketing power is essential for any forward-thinking business.