We’ve all done our fair share of queuing up at the bank to exchange old notes for new ones. Not only is it a waste of time, it’s also a waste of energy. Frankly, we couldn’t care less whether the money we receive in red packets are crisp and new or old and wrinkled – money’s still money. As if the cashier at the store will insist you hand him a straightened out bill before he hands you your sneakers.