5 Most Valuable Social Media Companies in the World

3. YouTube, owned by Alphabet, Inc. (NASDAQ:GOOG)

YouTube was launched in 2005 and is headquartered in San Bruno, California. YouTube was founded by Steve Chen, Chad Hurley, and Jawed Karim. The parent company of Google, Alphabet, Inc., has a whopping market cap of $1.92 trillion, and YouTube is said to account for a third of that. YouTube primarily generates revenue via advertising. In April 2021, Alphabet, Inc. reported that YouTube brought in $6.01 billion in advertising revenue, seeing an increase of $4 billion from the previous year.