just got Apple TV 4 -- WHY? What can we do with this that couldn't do with Apple TV 3?

[iMore Question]

So far -- not impressed with Apple TV 4 ... must be because we don't fully understand what it is capable of ... HELP :>)

 

[Rob Phillips]

Welcome to iMore! The biggest advantage the 4th gen AppleTV brings is an App Store. Just like an iPhone, the AppleTV's functionality can be vastly expanded based on what apps you install.

Here's a great resource from the blog:
http://www.imore.com/apple-tv-4