Described are robotic signs comprising: a sign post; an arm movably attached to the sign post, the arm having a positioning apparatus configured to allow the arm to rotate independently and contiguously around the sign post, the arm having at least one face comprising an electronic display configured to present display items; and a communication element configured to receive display item information from a remote administration application, the display item information comprising a direction and a description; wherein upon presenting a display item, an arm rotates to indicate the direction and displays the description. Also described are software applications for configuring the robotic signs, networks of the robotic signs, and advertising systems utilizing the robotic signs.