A Digital sign is any electronic display (LCD, LED, plasma display, tablet, projector, etc..) that is used to display information, alerts, advertisement or announcements. A restaurant might use it to show a menu or meal specials while a retail store can use it to show discounts and announce new merchandise. The uses and applications of digital signage are numerous.
Have you seen one recently? They are all around us.
Digital signs are widely being deployed in both public and private environments. The wide spread is due to their effectiveness in delivering messages to the public as well as to their cost-saving benefits. Digital signs are widely spread in retail stores, hotels, restaurants, corporate offices, government, educational institutions and outdoor billboards.