In this photo taken Tuesday, Aug. 2, 2016, model maker Spencer Burns, looks over a globe under construction inside a 5 axis vertical milling machine during a tour of Area 404, the hardware R&D lab, at Facebook headquarters in Menlo Park, Calif. (AP Photo/Eric Risberg)

In a sign of broader ambitions, Facebook opens hardware lab

The lab isn’t a factory for mass-producing smartphones or other consumer products. Rather, it’s where engineers will be working on some of the high-tech gadgetry needed for the company’s long-term plans to connect people.