How has giant magnetoresistance impacted people's lives?

Giant magnetoresistance (GMR) has significantly impacted people's lives by revolutionizing data storage technology, particularly in hard disk drives and solid-state drives. This advancement has enabled the development of smaller, faster, and more efficient devices, allowing for the storage of vast amounts of data in consumer electronics like laptops, smartphones, and gaming consoles. Additionally, GMR technology is crucial in various applications such as magnetic sensors and biomedical devices, enhancing fields like healthcare and automotive safety. Overall, GMR has contributed to the digital age, making information more accessible and storage more efficient.