Hexus posted a review on the Windows 10 reaches 600 million active monthly devices
A quote from the article:
Meanwhile Microsoft details its Redmond campus refresh project with 18 new buildings. Microsoft has announced that it will be developing its 500 acre Redmond campus to include 18 new buildings, 6.7 million square feet of renovated workspace, $150 million in transportation infrastructure improvements, public spaces, sports fields and new green space. It says that once the multi-year project is complete it will have 131 buildings, 47,000 employees stationed at the campus, and room for expansion with up to 8,000 more people.Windows 10 reaches 600 million active monthly devices @ Hexus