It's always nice to just be able to insert last gen games without switching consoles. It's a lot less of a hassle.
I will always keep my systems but what if one of them breaks? It would suck to have to get another one.
It's just a nice option to have. Especially for people just coming into Nintendo. They can buy a Wii U and play all the Wii U games PLUS All the amazing Wii games. Same as 3DS.
It's pretty awesome.
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