Square provided a brilliantly simple method of accepting payments using your iphone/ ipad headphone jack.  Now Square has entered the world of person to person (P2P) payments.  The concept is so simple with no sign up process.  It taps into your debit card allowing you to send money to other people incredibly simply.

I haven’t been able to evaluate yet, but this is big news.  Jack Dorsey does not release products that are not destined to successfully scale.