http://www.forbes.com/sites/timothylee/2013/02/14/why-i-dont-think-bitcoins-big-price-rise-is-another-bubble/"For example, right now, the wire transfer industry is dominated by monolithic firms like Western Union. Bitcoin could make it possible to build a decentralized Western Union competitor that in principle could have lower fees and much greater convenience."
I think he pointed out a very bright future for BTC as an infrastructure for international clearing. Although the transaction itself is irreversible, the services built upon it will handle that without problem, more flexibility can be added
