Byline: ALLIE WINTER

A couple years ago, starting your very own mobile virtual network operations company was a sizzling hot idea and everybody was trying to cash in. But now, two years and a slue of MVNO closings later, the idea has fizzled. With the shut downs of Amp'd Mobile, Mobile ESPN, Disney Mobile and others, it seems no matter how hard they try or what demographic they target, most MVNOs cannot find the glue to make themselves stick.

So let's start with the problems the companies have had. Eddie Hold, analyst at Current Analysis, said a big problem laid in most MVNOs demographic selections.

"They all think youth is a great target, but they forgot that ...

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