Online advertising is an economical and valuable way to grab your target audience. Learn more about the advantages of online advertising and how it can help your business. Did you know in 2021, digital advertising spending worldwide was 522.5 billion US dollars and is expected to reach 836 billion dollars by 2026? Some call it online advertising, some call it digital marketing. It is crucial to boost your business. Marketing is all about connecting with the right audience at the right time.