The future of Bitcoins and the virtual currencies. Bitcoin transactions would be taxed

What is the future for the virutal currency? Does the Bitcoin transactions would be taxed?
 

The future of the Bitcoins is not defined yet; however, the trends are showing that its use are becoming more popular. People are talking more about bitcoins, hardware is improving to mine it, traders are exchanging it. Does governements will start taxing Bitcoins?
Just take a look at this article where Kelly Phillps exposes the case of UK face to the Bitcoins.

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