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Ok. Now I understand chromecast better. For apps that have native support it will only trigger the metadata. If not (eg: web browsing) it will do mirroring.

Other than mirroring feature and price, how is it better than roku box or stick?

I saw the in depth review of chromecast in YouTube. It's very buggy and frustrating.

http://youtu.be/C_45_P8Irz4
 
Another cool thing, if you have real player cloud, you can upload movies etc (think you get 2GB free if you don't want to pay), and cast from it, handy for traveling or moving the dongle other places.
 
Why does Apple TV even need an update, hardware wise? The hardware is capable of anything we might need right now.

Where it needs the update is SOFTWARE. It needs to have an app platform and more flexibility in what it can do. It's great hardware that's hobbled by inadequate software.

I wasn't talking about hardware. I just said update.
 
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