Have you ever noticed how many advertisements you view in a day? We are exposed to hundreds of advertisements while browsing through the information on our mobile phone, laptop, or another device; these ads are meticulously designed to target a certain group of individuals, among them: you.  Ads differ from person to person, even though they are seeing the same information at the same time. So, how do brands target ads across thousands of websites and apps? This is called programmatic advertising.    Programmatic advertising connects publishers and brands in milliseconds before the website even loads. Users browse through tons of content on the internet for free every day, but to provide quality content, some websites, and apps, also known as publishers or content creators, need to generate revenue. To do so, they receive assistance from exchanges, also known as SSPs, which stands for supply-side platforms.   Brands seek to contact internet users to sell products and services; their go