Please tell me what is this Grey market and tell me how it works and who run this.?

i want to know full details of that grey market|||"grey market" is things that aren't illegal, like a black market - but for some reason, there is some problem selling the items.





i know almost nothing about it, except that.





http://en.wikipedia.org/wiki/Grey_market


tells you quite a bit.


It also says that grey market goods are usually items sold NOT through the regular distribution channels.