Apple Campus
Apple’s first headquarters was at Building 1 on Mariani Ave in Cupertino. The new campus was built on land that was used by Four-Phase Systems. The campus has an area of . It was built in 1992 and finished in 1993. Before 1997, the campus was only used for research and development. When Steve Jobs came back to Apple in 1997, he made changes to the campus. More buildings were used and activities not related to research and development were moved to buildings on Infinite Loop.