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You may have been one of those people who laughed when I trendsparked YoYos, well who’s laughing now punk! Check this awesome new invention out. All you do is YoYo and the energy caused from it spinning charges your iPhone. This is probably one of the coolest inventions since Uncrustables, you know those premade PB&J sandwichs that came without crusts.

So next time you’re walking the dog or rocking the cradle you can charge your iPhone so you can read Fashion Indie. Oh yeah did I mention it’s totally energy efficient, Go Green!

Thanks Inhabitat