Final answer:
The principal of information and communication systems deals with the impact of technologies on firm size and competition in markets, enabling both smaller and larger businesses to function more effectively.
Step-by-step explanation:
The principal of information and communication systems relates to how modern technologies like the Internet, Global Positioning System (GPS), and Geographic Information Systems (GIS) impact businesses and organizations. The availability and utilization of these technologies have shaped how firms operate, potentially leading to shifts in firm size and market competition. Information technologies have enabled small firms to expand their reach, while also allowing for larger firms to more effectively manage operations across vast geographical scales, highlighting an ongoing debate over the technology's influence on market structures.