Google Ads plays a crucial role in modern digital marketing, especially amidst the growing trend of mobile shopping. Through the Google Ads platform, advertisers leverage various ad types such as display, video, and shopping ads, utilizing an intelligent PPC (pay-per-click) model to effectively target audiences and enhance conversion rates. For beginners, starting with a daily budget of £10-£50 is advised, with adjustments made based on monitored ad performance. To delve deeper into Google Ads' ad placement data and trends, tools like BigSpy can be used to optimize advertising strategies and maximize ROI.