There is a segment in a recent Linus Tech Tips video [1] that showcased media asset management software [2] where you can search for portions of locally stored videos via natural language. e.g. Person X holding object Y, working on task Z. If this type of AI video tagging comes to mobile I think it will be a game changer.

[1] https://youtu.be/CcHevgjAnV0?feature=shared&t=1374 [2] https://axle.ai/