Square just announced a new product meant to replace traditional point-of-service systems: the aptly named Square Stand. The hardware turns an iPad (2 or 3; support for the Lightning connector is coming later this year) into an all-in-one POS with an integrated card reader that accepts cash, plastic and Square Wallet payments. Available for pre-order today, the stand will set business owners back a rather steep $299, but the sleek design has a decidedly smaller footprint than the cash