A ground sign not attached to the building with low to medium overall height typically 6 to 15 feet wide and 4feet to 15 feet high. Monuments can be single tenant or multi-tenant and usually must follow colors and materials to match the building façade. Monument signs can be internally or externally illuminated. The faces can be simple Lexan faces, aluminum face with routed out letters and logos backed with colored acrylic. With new LED Display, Electronic Message Center technology, many businesses are adding electronic displays with full video capabilities. Digital LED displays have evolved tremendously over the years. Screens are becoming larger, thinner, and are available in a variety of shapes and sizes. Future LED displays will employ Artificial Intelligence, increased interactivity, and even self-service.In addition, pixel pitch will continue to increase, allowing the creation of very large screens that can be viewed up close with no loss in resolution.