"Tech giants" refer to large and influential technology companies that dominate the market. Examples include Apple, Google, Amazon, and Microsoft. These companies are known for their significant impact on the economy, innovation, and daily life through their products and services, such as smartphones, search engines, and cloud computing. These firms often lead in research and development, shaping trends in the tech industry. They also face scrutiny regarding issues like data privacy, antitrust laws, and their role in the global economy. As they continue to grow, their influence on society and technology remains a topic of discussion.