The next frontier of online video further blurs the line between human- and AI-generated content.  In late September, Meta CEO Mark Zuckerberg announced  "Vibes," a feature that allows users to create and watch AI-generated videos. ChatGPT maker OpenAI quickly followed with the launch of Sora 2, which people can use to create videos with "cameos" of themselves, friends and others who grant permission. Despite only being available by invitation, the new tool promptly jumped to the top of Apple's