With more than 2.5 billion users, YouTube is without a doubt the largest social media site after Google. Three PayPal employees, Chad Hurley, Jawed Karim, and Steve Chen, launched it for the first ...

PewDiePie aka Felix Kjellberg, reigned YouTube for more than half a decade. In 2025, the Swedish gamer and vlogger is no longer in the top 10 most-subscribed YouTube channels.