The last block was 38 minutes ago and that is "not ready for prime time" or usable in the real world......We are delusional, this thing is not working!! 
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[/size]People wire billions/trillions through the banks and it takes ...days. So, even if it is used to transact a fraction of this volume in a few minutes time across the globe, it's still good. And remember there are A LOT of people that do not have access to banking services, credit cards etc on a global scale.