YouTube has made its new monetization policy clear to reassure creators that reaction content and commentary videos are still qualified. The new rules focus on combating large amounts of low-quality, ...

“Reaction” clips are a staple of the online world. After one person makes a viral video, others film themselves responding to it, riffing on the original with commentary, quips or funny expressions.

The royal family’s official social media account had a surprising reaction to a video mocking Prince Harry and Meghan Markle’s now-viral delivery room dancing video. Earlier this month, the Duchess of ...