The benefits of using statsd?

So I’ve been playing around with graphite for the past few days and I can see the potential there and why it is so powerful. My main question is why should I use statsd in front of it like esty and so many other people do? As of right now I don’t see the big benefit of putting another stack in front of graphite. I hope someone can clear it up https://github.com/etsy/statsd So I got [...]