A truly tiny action cam is proving that big features don't require a big body. I've never had any interest in action cams. I was never particularly impressed by GoPro or its kin. It wasn't until I got a sneak preview of the Insta360 Go Ultra that I became suddenly intrigued. It was a truly tiny camera — about the size of a smartwatch — designed to go anywhere. So, when Insta 360 asked if I wanted to check one out for review, I was actually moderately excited. And what I found after a few weeks of testing is that Insta 360 managed to pack a lot of big features into a tiny camera. Insta 360 Go Ultra camera review: Light camera, action cam I will be completely honest here: I've never owned an action cam. The Go Ultra is my first introduction to the genre. I gotta say, it's a pretty good introduction. When I unboxed it, I was genuinely surprised by how tiny it was. I know action cams are small — I've seen GoPros before. But I wasn't expecting something this small.…