Bitcoin is the evolution of freedom because it breaks down the barrier of countries. Nowadays you could transfer money to your friend on an other country very easily through Bitcoin. After 6 confirmations , your money will be fully transfer into his pocket . Fast , convenient and helpful.
Depending on the network actually, sometime your transaction will not confirm faster especially when the fee is not big enough.
This needs to be solve, in order for everyone to enjoy the using bitcoin in their daily transaction they it needs to be fast and cheap all the time.