Well its a great job again that bitcoin also uses as a payments to the air transportations,bitcoin has many good things to do for us all it makes our life more easier,and many of our mates are veey much thankful for this matter,keep it up who organized in this bitcoin we will support you forever.
I also agree with you soon many currencies will be replaced by Cryptocurrencies and that would be more secure and convenient for general public. Lets see what the future holds.