The law says they must be off welfare within two years, and it restricts their receipt of federal cash to a lifetime limit (regardless of whether they move from one state to another) of five years.
The Stand also plugs in and integrates with other hardware that merchants may have, such as receipt printers, kitchen printers, cash drawers, and barcode scanners.
Inside its own retail stores Apple has changed the POS experience from visiting a cash register to simply having your credit card swiped on an i-device and the receipt emailed to you via your Apple ID.