If it was a stand-alone business, YouTube would be worth between $475 billion and$550 billion, according to analysts at MoffettNathanson. YouTube is the second-most visited website in the world, according to Similarweb, behind only Google, and more than 20 trillion videos -- including music, Shorts, podcasts and more -- have been uploaded to the site as of April, YouTube said Wednesday. The video of Karim visiting the San Diego Zoo was the first to appear on YouTube, the video platform founded by him, Stev ...