errr just make sure she's not alergic to everything electronic.
My dad still asked what the play button was on a disc player 2 years ago (umh... yeah I hope my memory isn't inherited from him).
My mom is email friendly but not very techy... and will never touch a computer game (unless she's bringing it back for me, unknowingly, in an amazon.co.uk package)
I got wii fit for my GF and my sister, both liked it a lot... the usage ratio tends to drop after the first few weeks though, but the daily test are a good way of making people come back (they "age" you with 2 tiny tests to see your fitness, it's fun when it gets better day after day).
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