What is happening? - Replacement of data transmission from electricity to light, reducing power consumption and speeding up - The demand for electricity has exploded due to the AI ​​boom, and expectations for practical application are rising - Intensifying development competition between NTT and US tech companies Artificial intelligence (AI) has come to be used in a variety of situations, both private and work. AI can completely change our lives by being able to answer any question we want to know and make data processing more efficient at work, but at the same time, major challenges have emerged.