You don't. I wasn't challenging why you use it, I was trying to understand why it was a big deal on Android since I've seen really good filter share apps. It

You don't. I wasn't challenging why you use it, I was trying to understand why it was a big deal on Android since I've seen really good filter share apps. It seems the differentiator is its own social network. It does make wonder if apps built on FB or Twitter should usually also expose their own network so you can't be as easily commodified.