Filed under: iPad
Square has already made a big splash with its launch -- the company, founded by Jim McKelvey, Jack Dorsey (formerly of Twitter), and Tristan O'Tierney, has created a system for accepting credit card payments through the iPhone. After a lot of secrecy and hype, the app launched on the iPad a while back. While the Square Reader (a little doohickey you can plug in the headphone port of an iOS device to swipe credit cards in) is still hard to find, we got one directly from O'Tierney himself at WWDC last week.
It wasn't free -- he charged us a buck for it (and for the privilege o
