The PPC ( pay-Per-Click) technology makes it the most cost effective. You need to pay only when someone clicks on the Ads. You can choose how much you are willing to pay when someone clicks. This has made a revolutionary change in the advertising budget that Youtube advertising has become the best medium for startups and big brands alike. Besides, they are highly targeted and the right product reaches the right audience with such precision. The market segmentation is automatically done based on the buying behaviour of people online as well as their engagements on the contents.