Imagine you are at a bar and the service is slow. You are with a large group and everyone has credit cards and no cash. With Square you can swipe all the cards into your iphone app securely and allow everyone to chip in whatever they feel comfortable doing. Love it. All that is made possible via a small piece of hardware and some sweet UX. check it!

http://squareup.com/

Square is from Jack Dorsey of Twitter fame*

Tags: square