http://www.youtube.com/watch?v=as_3Pp_yGq4
Digital currency Bitcoin is gaining popularity around the globe as 
people become more and more dissatisfied with the conventional banking system. 
Instant, safe and nearly anonymous, is what Bitcoin claims to be. It takes no 
commission for transactions and can be used internationally wherever you have 
internet access. Is it the currency of the future? 
We talk to Bitcoin developer from UK Amir Taaki.