What's the deal with Amazon's 'mysterious' hidden office?

Amazon’s been secretly taking a surf break the last two years,The Silicon Valley Business Journal reported (paywall) this week that Amazon has quietly expanded its office in Santa Cruz, California, within the last two years, and no one knows why.The 40,000-square-foot office holds 100 people. But that number may climb to 200, as the office looks to expand.“It's unclear what exactly the team there is working on or why Amazon has picked Santa Cruz as an office location,” accordin