As smartphones and tablets have unstoppably consolidated their vice-like grip on everyday life, no business would want to be left behind. Products and services (like ReZoop’s mobile punch card) can be purchased at the press of a button, revolutionizing the way business is conducted and making the marketplace landscape a cutthroat and ever-evolving minefield. There are a number of mobile apps businesses can use to stay relevant and ahead of the game, and their competitors. Here are seven of them. …