Just found an interesting news, is the iPhone and iPod Touch now can be used as a credit card machine!
Recently a code-named "Square" iPhone payment processing system are small-scale testing, test-party seeks to promote the clean and environmentally friendly paper consumer credit card, they introduced a small plastic card reader, the reader can receive through the headphone jack and the iPod Touch, iPhone, then you just need to swipe your card through the reader can complete the credit card payment process, of course, the iPhone will also need to install a processing credit card information software, after the signature of the card can also be completed directly on the screen.
After consumption of receipt will be sent via e-mail to cardholder mailbox, this receipt will also map to mark a transaction through the sites, and who deal, as well as the amount and so on.
Science and technology, really can change your life.