Even though Google is dabbling in plenty of interesting new areas such as robotics, health and many others, the company’s main revenue source is still advertising. The company shows you a variety of ads on its many online properties, including Search, YouTube, Gmail, Maps and more. But in order to make more money, it tries to show you ads that are relevant to you based on your browsing habits. Or in other words, it can charge companies more to display their ads online to an audience that’s more likely to become their customers.
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