The term "tech giant" refers to a large, influential and successful technology company that has significant market share in its industry. These companies are often innovative leaders in their respective fields, developing new products or services that disrupt existing markets and reshape industries. Tech giants have the resources and reach to influence global trends and shape the future of technology through research and development, strategic acquisitions, partnerships, and investments. Examples of tech giants include companies such as Apple, Google (Alphabet), Microsoft, Amazon, Facebook, and IBM.