“While the entire world is beginning to learn about the power of the Bitcoin payment network, the real innovation behind this protocol is happening behind the scenes. There have been many different Bitcoin enthusiasts who have been talking about the holy grail of decentralized exchanges and using the Bitcoin protocol for more than just payments, and it seems that 2014 is going to be the year when we see these features finally get implemented into some real world applications. There are many different projects that are currently aiming to take Bitcoin to the next level, and it’s likely that there won’t be one clear winner when everything is said and done.”
http://voices.yahoo.com/bitcoin-20-explained-colored-coins-vs-mastercoin-vs-12475857.html