SquareUp

Jack Dorsey Mobile Payment system.

original key distinguishing feature: free Credit Card-scanning dongle that attaches to a Mobile.

https://squareup.com/

For Free Agent-s who don't already accept Credit Card-s, and don't have a fancy Point Of Sale system to integrate into.

Dec'2010 - got $27M at valuation of $240M!

Oct'2013: launches Cash service - like PayPal but with no fees, and goes directly from bank to bank.