By now, you’ve probably heard of PewDiePie, a Swedish comedian and video game commentator who has been the most followed creator on YouTube for years. But you might not be as familiar with T-Series, an almost equally popular Indian media company. For months, T-Series and PewDiePie, whose real name is Felix Kjellberg, have been dueling over who will be the king of YouTube. In October, PewDiePie even released a diss track about T-Series, which has been viewed more than 47 million times.

Get in-depth coverage of current and future trends in technology, and how they are shaping business, entertainment, communications, science, politics, and society.