The new site will cover roles across engineering, R&D, operations, finance, sales and customer support, and like all of Apple's facilities, will be powered by 100 percent renewable energy. The company is already a big deal in the area, initially setting up shop in 1992 with fewer than 100 jobs. Now, with 6,200 employees, it's Apple's largest center of employment outside of its Cupertino, California headquarters.

Apple already added 6,000 US jobs this year, but the Austin announcement puts it firmly on track to reach its goal of adding 20,000 domestic jobs by 2023. Its other proposed sites will employ around 1,000 people each, but are particularly important for another reason: proximity to the competition. Seattle is home to Microsoft and Amazon, while San Diego is the US base of chip giant Qualcomm. Apple choosing to settle in these areas not only lets it keep an eye on its rivals but also nearby talent. It sends a strong message that despite flagging sales and question marks over the future of the smartphone market, Apple's doing better than fine.