YouTube is the biggest streaming platform and the second largest search engine just after Google. It also has a monthly active user base of more than 2 billion users which means it is great for advertisers to market their products. YouTube comes under the Google family of apps. Hence, they have quite comprehensive data about what people search on the internet and hence ads shown on the platform are generally quite well-targeted. YouTube provides many different types of ad formats and placements for advertisers to take advantage of this.