Some of the measures that famous Youtube channel took were: Uploading Original Videos – They put in a commendable amount of time and effort, to keep up the expectations of their viewers. Uploading high definition videos of multiple formats, including lyrical videos, song making videos and BTS (Behind the Scenes) Content Digitization Uploading content relevant to times. Heavily interacting with their followers Using SEO (Search Engine Optimization). You can also checkout the article to know most effective tips for YouTube marketing