Most people would use these tools for personal use, if nothing else. Seeing a celebrity, themselves, their friends, etc., act out any scenario they can think of is quite an appealing proposition. And porn, of course, for better or worse.

In the long-term, this has the potential to significantly change how media is created and consumed. Feature films produced by large studios will undoubtedly continue to exist, and they will also leverage the technology, but it's not difficult to imagine a new branch of personalized media becoming popular. The tools are practically already there; they just need to become more accessible, and slightly better.