If your iPhone is full of videos of your summer holiday, clips of your kids, recordings of your grandparents that you want to preserve, a birthday, or some other festivity, then you might be glad to ...

I have a long clip - I want to take a portion of it, and make a new clip at 8x speed. I can't seem to figure out how to do this. What I want to do is take a 9.6 second portion of a clip and condense ...