YouTube CEO Neal Mohan, the morning after the platform’s big ad pitch and party in New York City, had a new milestone to share: YouTube Shorts, its TikTok-style short-form video product, has reached parity on revenue per watch-hour relative to core YouTube in multiple countries, including the U.S. And in some countries, he said, the monetization rate of Shorts now exceeds that of core YouTube. Mohan, speaking at the MoffettNathanson Media, Internet & Communications Conference on Thursday, said t...