21st Century Technology refers to the advancements in digital tools and systems that have transformed how we communicate, work, and live. Key developments include the rise of the internet, smartphones, and artificial intelligence, which have made information more accessible and connected people globally. Additionally, innovations in renewable energy, biotechnology, and robotics are shaping industries and addressing global challenges. These technologies are not only improving efficiency but also promoting sustainability and enhancing healthcare, making significant impacts on everyday life and the economy.