Modern technology is defined as devices based on efficiency and high implementation speed to help users access their goals quickly. Characteristics of modern technology include saving time and effort in tasks like household chores through machines. Technology also allows for a digital economy using digital representations of money. However, disadvantages are some access unsuitable sites, wasted time on entertainment, and eye problems from screens. Applications of technology that will grow include fuel cells that use less fuel and emit less carbon dioxide, expanding solar energy use, and LED lighting that saves on energy consumption. Key technology fields are communication technology that enhanced information sharing and education technology that helps students learn using computers early on.