According to officials, NSA chief Keith Alexander is expected to announce his retirement next year. His career has been under scrutiny after Snowden leaks revealed the extent of the NSA's activities.
A week of Windows 10, holograms and Exploding Kittens on Mars
Office 2016 launching this year, touch apps coming soon
Microsoft reveals the next version of Windows 10
Introducing Windows 10 for phones
Hands on with HoloLens
Download: Windows 10 build 9926