Two-way merger. They can do MP4 to flipbook to MP4, as well as flip book to MP4 to flip book.

Adding some AI and they could do flipbook upscaling! Turn a 3" 50 page flipbook, to a higher resolution 8" with 500 pages for the same video.

I'd personally be worried about the two businesses just cancelling out :D

flipception: https://www.youtube.com/watch?v=GTAhvKoF948