I'm not trying to be snarky either, but your question was a bit like "What's the use case for pants?" The answer is, a lot of things. We would need to know what

I'm not trying to be snarky either, but your question was a bit like "What's the use case for pants?" The answer is, a lot of things. We would need to know what you're doing to tell you what it's good for, what kind to choose, and why.