"Big Tech" refers to the largest and most influential technology companies in the world, primarily based in the United States. This group typically includes companies like Apple, Google, Amazon, Facebook, and Microsoft. These firms are known for their significant impact on the economy, society, and daily life through their products and services, such as smartphones, search engines, e-commerce platforms, and social media. These companies often dominate their respective markets and have substantial resources for research and development. As a result, they play a crucial role in shaping technological advancements and trends. However, their size and influence have also raised concerns about issues like monopoly, privacy, and data security.